The document provides information about the abdomen and pelvis. It describes the structures of the male and female pelvis including bones, ligaments, muscles, cavities and contents. It discusses the classifications of pelvis and compares features of male and female pelvis. It also describes organs located in the pelvis including colon, rectum, bladder, urethra, reproductive organs and blood supply to these structures.
This presentation deals with description of the normas: verticalis, occipitalis, lateralis, frontalis and basalis. There is another presentation “Skull – inside and some separate bones” to complete the objectives.
Objectives
Identify the features of the major bones forming the cranial cavity according to normas and separate bones.
Describe the major sutures.
Describe the structure of the flat bones forming the skull and their blood supply.
Discuss ossification of the skull and the changes that occur during postnatal development.
Locate important bony surface landmarks.
rectus sheath, the sheath covering rectus muscle of anterior abdominal wall, formation of the sheath, the muscles involved in ts formation, and the contents the sheath is covering
This presentation deals with description of the normas: verticalis, occipitalis, lateralis, frontalis and basalis. There is another presentation “Skull – inside and some separate bones” to complete the objectives.
Objectives
Identify the features of the major bones forming the cranial cavity according to normas and separate bones.
Describe the major sutures.
Describe the structure of the flat bones forming the skull and their blood supply.
Discuss ossification of the skull and the changes that occur during postnatal development.
Locate important bony surface landmarks.
rectus sheath, the sheath covering rectus muscle of anterior abdominal wall, formation of the sheath, the muscles involved in ts formation, and the contents the sheath is covering
anatomy of duodenum, location or position of duodenum, parts of duodenum, relations of each parts of duodenum, ligaments of treitz, visceral and peritoneal relation of duodenum, blood supply of duodenum, innervation of duodenum, clinical aspects of duodenum, duodenal ulcer, diverticulum, deodinitis, duodenal obstruction
neuronal organelles
the neuron contains all the regular organelles of the eukaryotic cells. however, rough endoplasmic
reticulum, free ribosomes and polyribosomes of the neurons are collectively referred to as the nissl
(chromophil) bodies (granules).
these organelles are responsible for the intense basophilia of the neuronal perikaryon and are absent in the
axon hillock and in the axon (see diagram 3.).
neurofibrils, neurofilaments, microtubules and microfilaments are widely distributed in the cell body, axon
and dendrites.
golgi complex and lysosomes are restricted to the cell body while mitochondria are widely distributed in all
parts of the neuron but are particularly abundant at the axonal terminals.
inclusion bodies:
the neuron also contains inclusion bodies, which have variable distribution in the nervous system, e.g.:
melanin pigments (neuromelanin) are found in the substantia nigra of the midbrain and locus coeruleus of
the pons in the brainstem
lipofuscin (lipochrome) pigments are found in the spinal cord, medulla oblongata, sensory and
sympathetic ganglia. they are stored in granules derived from lysosomes. lipofuscin appears from the age
of 8 and increases with age. they may appear in other nerve cells but never found in the purkinje cells of
the cerebellum.
other inclusion bodies include:
zinc metal in the hippocampus of the brain
iron metal in the occolomotor nucleus of the midbrain
calcium and magnesium salts (brain sand) in the pineal gland.
synaptic vesicles are membrane-bound sacs of neurotransmitter located at the boutons terminaux of axons.
the axon :( see diagram 3a and 3b)
the characteristic features of the axon are:
a.it arises from the region of the cell body called the axon hillock
b.it is often longer than the dendrites but of uniform diameter.
c.a typical neuron possesses only one axon.
d.its plasmalemma is called the axolemma and its cytoplasm the axoplasm.
e.it contains all neuronal organelles except nissl bodies and golgi complex.
f.may have collateral branches.
g.may be covered by myelin sheath for insulation and rapid conduction of impulses.
h.conducts impulses away from the cell body.
i.its terminal branches are called telodendria, which terminate in dilated terminals (boutons
terminaux) that are involved in formation of contact points called synapses.
j.the initial segment is often involved in inhibitory axo-axonal synapses.
the dendrite (see diagram 3.)
the characteristic features of the dendrite are:
a.it is often shorter than the axon and tapers from the cell body hence the diameter is not
uniform.
b.it has numerous branches.
anatomy of duodenum, location or position of duodenum, parts of duodenum, relations of each parts of duodenum, ligaments of treitz, visceral and peritoneal relation of duodenum, blood supply of duodenum, innervation of duodenum, clinical aspects of duodenum, duodenal ulcer, diverticulum, deodinitis, duodenal obstruction
neuronal organelles
the neuron contains all the regular organelles of the eukaryotic cells. however, rough endoplasmic
reticulum, free ribosomes and polyribosomes of the neurons are collectively referred to as the nissl
(chromophil) bodies (granules).
these organelles are responsible for the intense basophilia of the neuronal perikaryon and are absent in the
axon hillock and in the axon (see diagram 3.).
neurofibrils, neurofilaments, microtubules and microfilaments are widely distributed in the cell body, axon
and dendrites.
golgi complex and lysosomes are restricted to the cell body while mitochondria are widely distributed in all
parts of the neuron but are particularly abundant at the axonal terminals.
inclusion bodies:
the neuron also contains inclusion bodies, which have variable distribution in the nervous system, e.g.:
melanin pigments (neuromelanin) are found in the substantia nigra of the midbrain and locus coeruleus of
the pons in the brainstem
lipofuscin (lipochrome) pigments are found in the spinal cord, medulla oblongata, sensory and
sympathetic ganglia. they are stored in granules derived from lysosomes. lipofuscin appears from the age
of 8 and increases with age. they may appear in other nerve cells but never found in the purkinje cells of
the cerebellum.
other inclusion bodies include:
zinc metal in the hippocampus of the brain
iron metal in the occolomotor nucleus of the midbrain
calcium and magnesium salts (brain sand) in the pineal gland.
synaptic vesicles are membrane-bound sacs of neurotransmitter located at the boutons terminaux of axons.
the axon :( see diagram 3a and 3b)
the characteristic features of the axon are:
a.it arises from the region of the cell body called the axon hillock
b.it is often longer than the dendrites but of uniform diameter.
c.a typical neuron possesses only one axon.
d.its plasmalemma is called the axolemma and its cytoplasm the axoplasm.
e.it contains all neuronal organelles except nissl bodies and golgi complex.
f.may have collateral branches.
g.may be covered by myelin sheath for insulation and rapid conduction of impulses.
h.conducts impulses away from the cell body.
i.its terminal branches are called telodendria, which terminate in dilated terminals (boutons
terminaux) that are involved in formation of contact points called synapses.
j.the initial segment is often involved in inhibitory axo-axonal synapses.
the dendrite (see diagram 3.)
the characteristic features of the dendrite are:
a.it is often shorter than the axon and tapers from the cell body hence the diameter is not
uniform.
b.it has numerous branches.
Most species have two sexes: male and female. Each sex has its own unique reproductive system. They are different in shape and structure, but both are specifically designed to produce, nourish, and transport either the egg or sperm.
Unlike the female, whose sex organs are located entirely within the pelvis, the male has reproductive organs, or genitals, that are both inside and outside the pelvis. The male genitals include:
the testicles
the duct system, which is made up of the epididymis and the vas deferens
the accessory glands, which include the seminal vesicles and prostate gland
the penis
Here is the powerpoint on relevent anatomy of multiple differentials for Inguinoscrtal swelling special for surgical diagnosis with very reliable References.
**Ethical Considerations in Anatomy Practice:**
1. **Respect for Donors:**
- **Ethical Aspect:** Acknowledging the humanity of donors and their altruistic contribution.
- **Implications:** Fostering a culture of gratitude and reverence among practitioners and students toward those who donated their bodies for educational purposes.
2. **Cadaver Treatment:**
- **Ethical Aspect:** Ensuring humane and respectful treatment of cadavers during dissection and study.
- **Implications:** Establishing guidelines for proper handling, avoiding disrespectful behavior, and emphasizing the educational purpose without compromising dignity.
3. **Communication and Consent:**
- **Ethical Aspect:** Maintaining clear communication about the use of cadavers and obtaining explicit consent.
- **Implications:** Creating an environment that promotes openness and transparency, ensuring that donors and their families fully understand the educational and research aspects of body donation.
4. **Sensitive Content Handling:**
- **Ethical Aspect:** Approaching sensitive anatomical content with empathy and cultural sensitivity.
- **Implications:** Recognizing diverse perspectives on death and the human body, ensuring educational materials and practices are respectful of different cultural and religious beliefs.
5. **Educational Integrity:**
- **Ethical Aspect:** Ensuring that anatomical education is conducted with professionalism and academic integrity.
- **Implications:** Discouraging any behavior that goes beyond the scope of educational necessity, emphasizing the ethical responsibility of practitioners to uphold the integrity of their profession.
**Legal Considerations in Anatomy Practice:**
1. **Consent Laws:**
- **Legal Aspect:** Adhering to laws governing the consent process for body donation.
- **Implications:** Ensuring that consent procedures comply with legal requirements to avoid potential legal issues and protect the rights of donors.
2. **Occupational Health and Safety:**
- **Legal Aspect:** Complying with regulations to ensure the health and safety of those working with cadavers.
- **Implications:** Implementing measures such as proper storage, use of personal protective equipment, and disposal protocols to prevent occupational hazards and adhere to legal standards.
3. **Facility Accreditation:**
- **Legal Aspect:** Meeting accreditation standards set by relevant authorities for anatomy facilities.
- **Implications:** Ensuring that facilities adhere to legal requirements regarding infrastructure, sanitation, and overall conditions to maintain accreditation.
4. **Record-Keeping and Documentation:**
- **Legal Aspect:** Maintaining accurate records of donor information, consent, and cadaver use.
- **Implications:** Legal documentation helps in tracking the legal status of body donations, ensuring compliance with laws, and facilitating transparency in case of audits or legal inquirie
ANATOMY OF UTERUS
ANATOMY OF OVARY
ANATOMY OF FALLOPIAN TUBES
ANATOMY OF UTERUS &ITS APPENDAGES
ANATOMY OF CERVIX
ANATOMY OF UTERUS PPT
BLOOD SUPPLY, NERVE SUPPLY, LYMPHATIC DRAINAGE
HISTOLOGY
Radiographic techniques and projections for the examination of the skull and facial bones including paranasal sinuses to determine any diseases and defects in them
Title: Sense of Smell
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
Key Topics:
Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
Couples presenting to the infertility clinic- Do they really have infertility...Sujoy Dasgupta
Dr Sujoy Dasgupta presented the study on "Couples presenting to the infertility clinic- Do they really have infertility? – The unexplored stories of non-consummation" in the 13th Congress of the Asia Pacific Initiative on Reproduction (ASPIRE 2024) at Manila on 24 May, 2024.
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Ve...kevinkariuki227
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
Explore natural remedies for syphilis treatment in Singapore. Discover alternative therapies, herbal remedies, and lifestyle changes that may complement conventional treatments. Learn about holistic approaches to managing syphilis symptoms and supporting overall health.
Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists Saeid Safari
Preoperative Management of Patients on GLP-1 Receptor Agonists like Ozempic and Semiglutide
ASA GUIDELINE
NYSORA Guideline
2 Case Reports of Gastric Ultrasound
These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
The prostate is an exocrine gland of the male mammalian reproductive system
It is a walnut-sized gland that forms part of the male reproductive system and is located in front of the rectum and just below the urinary bladder
Function is to store and secrete a clear, slightly alkaline fluid that constitutes 10-30% of the volume of the seminal fluid that along with the spermatozoa, constitutes semen
A healthy human prostate measures (4cm-vertical, by 3cm-horizontal, 2cm ant-post ).
It surrounds the urethra just below the urinary bladder. It has anterior, median, posterior and two lateral lobes
It’s work is regulated by androgens which are responsible for male sex characteristics
Generalised disease of the prostate due to hormonal derangement which leads to non malignant enlargement of the gland (increase in the number of epithelial cells and stromal tissue)to cause compression of the urethra leading to symptoms (LUTS
Pulmonary Thromboembolism - etilogy, types, medical- Surgical and nursing man...VarunMahajani
Disruption of blood supply to lung alveoli due to blockage of one or more pulmonary blood vessels is called as Pulmonary thromboembolism. In this presentation we will discuss its causes, types and its management in depth.
Prix Galien International 2024 Forum ProgramLevi Shapiro
June 20, 2024, Prix Galien International and Jerusalem Ethics Forum in ROME. Detailed agenda including panels:
- ADVANCES IN CARDIOLOGY: A NEW PARADIGM IS COMING
- WOMEN’S HEALTH: FERTILITY PRESERVATION
- WHAT’S NEW IN THE TREATMENT OF INFECTIOUS,
ONCOLOGICAL AND INFLAMMATORY SKIN DISEASES?
- ARTIFICIAL INTELLIGENCE AND ETHICS
- GENE THERAPY
- BEYOND BORDERS: GLOBAL INITIATIVES FOR DEMOCRATIZING LIFE SCIENCE TECHNOLOGIES AND PROMOTING ACCESS TO HEALTHCARE
- ETHICAL CHALLENGES IN LIFE SCIENCES
- Prix Galien International Awards Ceremony
These lecture slides, by Dr Sidra Arshad, offer a quick overview of physiological basis of a normal electrocardiogram.
Learning objectives:
1. Define an electrocardiogram (ECG) and electrocardiography
2. Describe how dipoles generated by the heart produce the waveforms of the ECG
3. Describe the components of a normal electrocardiogram of a typical bipolar leads (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
Study Resources:
1. Chapter 11, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 9, Human Physiology - From Cells to Systems, Lauralee Sherwood, 9th edition
3. Chapter 29, Ganong’s Review of Medical Physiology, 26th edition
4. Electrocardiogram, StatPearls - https://www.ncbi.nlm.nih.gov/books/NBK549803/
5. ECG in Medical Practice by ABM Abdullah, 4th edition
6. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
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- Video recording of this lecture in English language: https://youtu.be/lK81BzxMqdo
- Video recording of this lecture in Arabic language: https://youtu.be/Ve4P0COk9OI
- Link to download the book free: https://nephrotube.blogspot.com/p/nephrotube-nephrology-books.html
- Link to NephroTube website: www.NephroTube.com
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2. PELVIS
• Pelvis is a basin like
structure which is
formed by
articulation of each
of the two hip bones
in front and sacrum
and coccyx behind
and is situated
between the
abdomen and thigh.
3. CLASSIFICATION OF PELVIS
• Gynaecoid
type(41.4%);normal
female pelvis; inlet round
or ovoid
• Android
type(32.5%);resemble
male pelvis; inlet
triangular
• Anthropoid
type(23.5%);resemble
pelvis of anthropoid apes.
• Platypelloid
type(2.6%);opposite to
anthropoid pelvis.
Only gynaecoid pelvis
4. SN FEATURE FEMALE
PELVIS
MALE
PELVIS
1. Shape of cavity circular Heart
shaped
2. Subpubic angle Larger
(80°-85°)
Shorter
(50°-60°)
3. Ischial spines Out
turned
inturned
4. Acetabular
cavity
shallow large
5. Pelvic cavity shorter longer
6. Obturator
foramen
Small and
triangular
Large
and oval
5. • Divided into 2 parts
by the plane of
pelvic inlet or pelvic
brim
1. Greater or false
pelvis
2. Lesser or true
pelvis
• Greater or false
pelvis includes the
two iliac fossae, and
forms a part of the
posterior abdominal
wall.
6. LESSER
PELVIS
Pelvic wall
Pelvic wall are made up of
bones, ligaments and muscles.
Bony wall; these are formed
by,
Anteriorly: pubic symphysis
and bodies of the pubic
bones.
Posteriorly: sacrum and
coccyx.
On each side: two rami of
the pubis, the ischium with
its ramus, and the lower
part of the ilium
Ligament and membrane;
Obturatoe membrane,
Sacrotuberous and
sacrospinous ligaments.
7. Pelvic inlet(superior aperture of
pelvis)
It is an oblique plane, making
an angle of 50-60 degrees with
the horizontal.
Bounded posteriorly by the
sacral promontory, anteriorly by
the upper margin of pubic
symphysis, and on each side by
the linea terminalis.
Heart-shaped in the male, and
is widest in its posterior part.
In the female, it is oval widest
8. Pelvic outlet(inferior aperture of pelvis)
It is bounded anteriorly by the arcuate or inferior
pubic ligament; posteriorly by the coccyx; and on
each side by the ischiopubic rami/side of the pubic
arch, the ischial tuberositis and the sacrotuberous
ligament.
The plane of the pelvic outlet makes an angle of
15 degrees with the horizontal.
9. Pelvic floor
Pelvic floor is formed by the pelvic
diaphragm(separate the pelvis from the
perineum) which consists of levator ani and
coccygeus muscles.
Pelvic cavity
Continuous above with the abdominal cavity at
the pelvic brim, and is limited below by the
pelvic diaphragm.
The cavity is curved in such way that it is first
directed downwards and backwards, and then
downwards and forwards(J-shaped).
10. CONTENTS OF PELVIS
• Sigmoid colon
• Rectum
• Anal canal
• Urinary bladder
• Urethra
• Male reproductive organs
• Female reproductive organ
11. SIGMOID COLON
• 37.5 cm long
and extends
from the pelvic
brim to the
third piece of
the sacrum,
where it
becomes the
rectum
• Suspended by
sigmoid
mesocolon
12. RECTUM
• Lower dilated part of
large gut
• Devoid of taenia coli,
sacculation, appendices
epiploicae and
mesentery.
• Begins as continuation of
sigmod colon at the 3rd
sacral vertebra and
continuous with anal
canal at anorectal
13. Curvatures/flexures
a. Anteroposterior Curvature:
- Sacral curve
- Perineal curve
b. Lateral Curvature:
- Upper (Right)
-Middle (Left) Most prominent
-Lower (Right)
Mesurement
• Length= 15cm(5inches)
• Breadth= Upper part 4cm
lower part form
dilatation (ampulla)
16. VENOUS DRAINAGE
Upper part
• Superior rectal vein –
inferior mesenteric vein
Middle part
Middle rectal vein-
internal iliac vein
Lower part
• Inferior rectal vein –
internal pudendal vein.
17. LYMPHATIC DRAINAGE
Upper part
• Left common iliac lymph
node
Middle part
• Internal iliac nodes
Lower part
• Internal iliac nodes
From the anal canal
• Superficial inguinal
lymph nodes.
18. NERVE SUPPLY
Sympathetic fibres
• Superior hypogastric
plexus(L1,L2)
• Stimulate the internal
sphincter an inhibit
rest of musculature
of rectum.
Parasympathetic
• Pelvic splanchnic
nerves(S2,S3,S4)
• Stimulate peristalsis
and relax the
19. ANAL CANAL
Terminal part of large
intestine situated below
the level of pelvic
diaphragm.
Extends from anorectal
junction and open at anal
orifice.
Length(adult)=3.8cm
20. ANAL CANAL
RELATION
In front
Perineal body (in both)
Lower urethra & bulb of penis (in male)
Lower end of vagina (in female)
Behind
-Anococcygeal Ligament
-Tip of coccyx
Lateraly
-Ischiorectal fossa
21.
22. ARTERIAL SUPPLY
• Superior rectal artery
above the pectinate
line
• Inferior rectal artery
line below the
pectinate line
VENOUS DRAINAGE
• Internal rectal venous
plexus
• External venous plexus
• Anal veins
23. LYMPHATIC DRAINAGE
• Internal iliac nodes
• Medial group of the superficial inguinal nodes
NERVE SUPPLY
1. Above the pectinate line by both sympathetic
(L1-L2) and parasympathetic (pelvic
splachnic-S2, S3, S4)
2. Below the pectinate line by somatic nerves
(inferior rectal S!, S2, S3)
24. URINARY BLADDER
• Entirely in the pelvic cavity
when empty
• Expands superiorly into the
abdomen when full.
• An empty bladder is somewhat
tetrahedral and oval when full.
• Has a base(fundus), neck, apex,
a superior and two infero-
lateral surfaces.
• Mean capacity is 220ml.
• 150 to 250 ml collection lead to
desire to micturition
• Volume > 500 ml cause pain
due to its distension.
25. ARTERIAL SUPPLY
Main supply- Superior and
inferior vesical artery
Additional supply- Obturator
and inferior gluteal artery
VENOUS DRAINAGE
Vesical venous plexus –
internal iliac veins
LYMPHATIC DRAINAGE
Most of lymphatics- external
iliac nodes
Few vessels- internal iliac
nodes or lateral aortic nodes
NERVE SUPPLY
vesical plexus of nerve
derived from inferior
hypogastric plexus
26. • 18 to 20 cm long that extends from internal urethral orifice in
urinary bladder to external opening at the end of penis
Considered in two parts
• Relatively short posterior urethra
- It is 4 cm long and consists of
a. Preprostatic segment
b. Prostatic segment
c. Membranous segment
• Relatively long anterior urethra
-It is 16cm long, it consists of
a. Bulbar urethral component
b. Penile component
MALE URETHRA
27. ARTERIAL SUPPLY
• Urethral artery
• Dorsal penile artery
VENOUS DRAINAGE
• Deb dorsal vein of
penis
• Prostatic and
vesical venous
plexus
28. FEMALE URETHRA
• 4cm long and
6mm in diameter
• begins at the
internal orifice of
bladder and runs
anteroinferiorly
behind the
symphysis pubis
embedded in the
anterior wall of
vagina
29. ARTERIAL SUPPLY
• Superior vesicle and
vaginal arteries
VENOUS DRAINAGE
• Vesical venous
plexus
LYMPHATIC
DRAINAGE
• Internal and iliac
nodes
NERVE SUPPLY
• Parasypathetic
(S2nd-S4th)
• Somaticfibres from
(S2nd-S4th)
30.
31. REPRODUCTIVE SYSTEM
• Male genital organs include the external and
internal genitalia.
1. Penis
2. Scrotum
3. Testes
4. Epididymis
5. Ductus deferens
6. Seminal vesicle
7. Ejaculatory duct
8. Prostate
32. PENIS
• Male organ of copulation
• Has :-
1. Root
2. Body
ARTERIAL SUPPLY
• Internal pudendal artery
• Femoral artery
• Venous drainage
• External pudendal veins
Penis
33. SCROTUM
• Contains right and left testes, the epididymis and
lower part of the spermatic cord
• Layers of scrotum
1. Skin
2. Dartos muscle
3. External spermatic fascia
4. Cremasteric muscle
5. Internal spermatic fascia
6. Parietal layer of the tunica vaginalis
34. ARTERIAL SUPPLY
1. Superficial external pudendal
2. Deep external pudendal
3. Scrotal branches of internal oudendal
4. Cremasteric branch of inferior epigastric
NERVE SUPPLY
• Segment L1 of the spinal cord for anterior one
third
• Segment S3 of the spinal cord for the posterior
two third
35. TESTIS
• male gonad
homologous with
ovary of the female.
• suspended in the
scrotum by the
spermatic cord.
• Left testis is slightly
lower than the right.
• Has 2-poles, 2-
borders, and 2-
surfaces(medial and
36. Shape and size
• The testis is oval
in shape
• It is 3.75cm long,
2.5cm broad,
1.8cm thick and
weighs about 10-
15 gram
38. ARTERIAL SUPPLY
• The testicular artery-
branch of abdominal aorta.
VENOUS DRAINAGE
• The veins emerging from
testis form the
pampiniform plexus .The
plexus condenses into four
veins at superficial inguinal
ring ,and into two veins at
deep inguinal ring.
• Ultimately 1 vein is formed
which drains to IVC on Rt.
Side and Lt. renal vein on
left side.
39. LYMPHATIC DRAINAGE
• The lymphatics from the testis ascend along
the testicular vessels and drain into preaortic
and para-aortic groups of lymph node.
NERVE SUPPLY
• The testis is supplied by sympathetic nerves
arising from T10 segment of spinal cord.
40. EPIDIDYMIS
• Highly coiled tube that act
as reservoir of spermatozoa
• At its lowest end it become
continuous with the ductus
deferens.
ARTERIAL SUPPLY
• Testicular artery
NERVE SUPPLY
• Sympathetic nerves
through testicular plexus
which are derived from the
segment T11 to L1 of the
spinal cord
41. SPERMATIC CORD
• Cord like structure.
• Contains following
1. Ductus deferens
2. Testicular and
cremasteric artery and
artery of the ductus
deferens
3. Pampiniform plexus of
veins
4. Lymph vessels from the
testis
5. Genital branch of
genitofemoral nerve,
and the plexus of
sympathetic nerves and
42. • Also called vas deferens or the
deferent duct
• Thick-walled, muscular tube which
transmits spermatozoa from the
epididymis to the ejaculatory duct.
• Length:- 45 cm when straightened
• Location:- within the scrotum along
the posterior border of the testis.
• ARTERIAL SUPPLY:- one of the
terminal branches of the superior
vesical artery.
• VENOUS DRAINAGE:- vesical venous
DUCTUS DEFERENS
43. SEMINAL VESICLES
• These are two
lobulated sacs,
situated between the
bladder and rectum.
• 5cm long
• Joins the ductus
deferens to form
ejaculatory duct
• Secret seminal fluid
called vesiculase.
44. PROSTATE
• Accessory gland of male reproductive
system.
• Situation:- lesser pelvis, in front of the
ampulla of the rectum.
• Shape:- resembles an inverted cone
• Size:-measuring about 4cm transversely
width, 3cm vertically length and 2cm
anteroposteriorly thickness.
• Weight:- 8g
• Zones:- peripheral zone
-Central zone
-Periurethral zone
• Lobes:- two lateral lobes
-One median lobe
45. BLOOD SUPPLY
• Branches from the inferior vesical, middle rectal and
internal pudendal arteries
VENOUS DRAINAGE
• Drains into the vesical and
• internal iliac veins.
LYMPHATIC DRAINAGE
• Internal iliac and sacral nodes
NERVE SUPPLY
• Lower part of the inferior hypogastric plexus
46.
47. • Ovaries are female
gonads.
Situation
Each ovary lies in the
ovarian fossa on the lateral
pelvic wall.
Position
The position of ovary is
variable. In nulliparous
women its long axis is
nearly vertical, however in
multiparous women the
OVARIES
48.
49. ARTERIAL SUPPLY
1. Ovarian artery-branch
of abdominal aorta
2. Uterine artery
VENOUS DRAINAGE
Pampiniform plexus
condenses into a single
ovarian vein and drains
to IVC on Rt side, left
renal vein on left side.
50. LYMPHATIC DRAINAGE
Ovarian vessels drain into- lateral aortic and
preaortic lymph nodes.
NERVE SUPPLY
Ovarian plexus of nerves
Sympathetic-T1o,T11 are afferent for pain as
well as efferent or vasomotor.
Parasympathetic-S2,S3,S4 are vasodilator
51. UTERINE TUBES
• Also called fallopian
tubes/salpinx
• Convey oocyte from the ovary
to the uterus
• Situation:- free upper margin
of the broad ligament of
uterus
• Dimensions:-10cm long
• Sub-division; -infundibulum
-ampulla
-Isthmus
52. • ARTERIAl SUPPLY:- uterine artery supplies the
medial two thirds, and the ovarian artery
supplies the lateral one-third of the tube.
• LYMPHATIC DRAINAGE:- lateral aortic and
preaortic nodes
• NERVE SUPPLY:- sympathetic nerve from T10
to L2 segments derived from the hypogastric
plexuses
-Parasympathetic nerves
derived from the vagus for the lateral half of
the tube and from the pelvic splanchnic
nerves from the S2-S4 segments of spinal
cord for the medial half
53. UTERUS
• Also called womb or
hystera
• Child- bearing organ in
females, situated in the
pelvis between bladder
and rectum
• Size and shape:-
pyriform in shape
-7.5cm
long, 5cm broad, and
2.5cm thick.
• Weight:- 30 to 40 g
54. PARTS OF UTERUS
• A fundus
• Body with two
surfaces (anterior
or vesical and
posterior or
intestinal)
• Two lateral borders
• Cervix
55. LIGAMENTS OF UTERUS
PERITONEAL LIGAMENTS
• Anterior ligament
• Posterior ligament
• Right and left broad
ligament
FIBROMUSCULAR LIGAMENT
• Round ligament
• Transverse cervical
ligament
• Uterosacral ligament
56. ARTERIAL SUPPLY
• Chiefly by the two
uterine arteries
• Partly by the ovarian
arteries
VENOUS DRAINAGE
• Plexus drain through
the uterine, ovarian
and vaginal veins
into the internal iliac
veins
57. LYMPHATIC DRAINAGE
• Upper lymphatics drain mainly into the aortic
nodes
• Lower lymphatics drain in to the external iliac,
internal iliac and sacral nodes, the middle
lymphatics drain into the external iliac nodes.
NERVE SUPPLY
• Sympathetic nerves from T12, L1 segments of
spinal cord and parasympathetic nerves (S2-
S4)
58. VAGINA
• Fibromuscular canal,
forming the female
copulatory organ
Situation
• Extends from the vulva to
the uterus, and is situated
behind the bladder and the
urethra, and in front of the
rectum and anal canal
Size and shape
• Anterior wall 8cm long and
posterior wall 10cm long
59. ARTERIAL SUPPLY
• Vaginal artery with
additional supplied
by cervicovaginal
branch of the
uterine artery
VENOUS DRAINAGE
• Drains into the
internal iliac veins
through the vaginal
veins
60. LYMPHATIC DRAINAGE
• Upper one-third drain into the external iliac
nodes, from the middle one-third drain into
the internal iliac nodes, and from the lower
one-tjird into the medial group of superficial
inguinal nodes.
NERVE SUPPLY
• Lower one-third supplied by the pudendal
nerve through the inferior rectal and posterior
labial branches of the perineal nerve
• The upper teo-thirds are supplied by
sympathetic L1, L2 and parasympathetic
segments S2- S4.
61. BLOOD SUPPLY OF PELVIS
ARTERIAL SUPPLY OF PELVIS
• Internal iliac artery
VENOUS DRAINAGE OF PELVIS
• Internal iliac vein