The document summarizes key anatomical structures in the thorax, abdomen, and pelvis. It describes the mediastinum and its divisions. It discusses the diaphragm, heart structures and circulation, lungs, esophagus, stomach, intestines, liver, and bile ducts. It also covers the abdominal wall, inguinal region, pelvis, perineum, and their contained nerves, vessels and viscera.
15. MEDIASTINUM
• DIFFINATION: SPACE BETWEEN TWO LUNGS
• BUNDARIES: STERNUM ANTERIORLY, VERTBRAL COLUMN
POSTERIORLY, MEDISTINAL PLEURA ON TWO SIDES, SUP
THORACIC APERTUR SUPERIORLYM, AND DIAPPHRAGM
INFERIORLY.
• DIVISION: IMAGINARY LINE PASSING FROM STERNAL ANGLE
ANTERIORLY TO INTERVERTEBRAL BETWEEN T4 & T5
POSTERIORLY DIVIDS THE MEDIASTINUM INTO SUP
MEDIASTINUM ABOVE AND INFERIOR MEDIASTINUM
BELOW
• THE INFERIOR MEDIASTINUM IS DIVIDED FURTHER BY
PERICARDIUM INTO ANT, MIDDLE AND POSTERIOR
MEDIASTINUM.
26. DIAPHRAGM
• PARTS
I. STERNAL PART
II. COSTAL PART
III. LUMBAR PART
• OPENINGS
A. AORTIC OPENING (AORTA, THORACIC
DUCT, AZYGUS VEIN)
B. ESOPHAGEAL OPENING (ESOPHAGUS,
RT< VAGUS NERVES, ESOPHAGEAL
BRANCH OF LT GASTRIC ART.)
C. CAVAL OPENING (IVC, RT PHRENIC
NERVE)
D. STERNOCOSTAL FISSURE (SUP
EPIGASTRIC VESSELS)
E. OPENINGS FOR GREATER, LESSER
&LOWEST SPELANCHNIC NERVES
&SYMPATHETIC CHAIN
27.
28. DIAPHRAM VESSELS & NERVES
a. VESSELS:
PERICARDICOPHRENIC,
MUSCULOPHRENIC, SUP
PHRENIC ART, INFERIOR
PHRENIC ARTERIES.
b. NERVES:
1. MOTOR: PHRENIC
NERVES
2. SENSORY: PHRENIC
NERVES FOR CENTRAL
PART, LOWER SIX
THORACIC NERVES FOR
PERIPHERAL PARTS
105. The Ventricles – Pump blood
The Heart has 4 Chambers
The Atria – receive blood
106.
107. R Atrium – receives blood from body (IVC, SVC).
R Ventricle – Pumps blood to Lungs (PT).
L Atrium – receives blood from lungs (L&R PV).
L Ventricle – Pumps blood to Body (Aorta).
Coronary sinus
226. DIAPHRAGM
• PARTS
I. STERNAL PART
II. COSTAL PART
III. LUMBAR PART
• OPENINGS
A. AORTIC OPENING (AORTA, THORACIC
DUCT, AZYGUS VEIN)
B. ESOPHAGEAL OPENING (ESOPHAGUS,
RT< VAGUS NERVES, ESOPHAGEAL
BRANCH OF LT GASTRIC ART.)
C. CAVAL OPENING (IVC, RT PHRENIC
NERVE)
D. STERNOCOSTAL FISSURE (SUP
EPIGASTRIC VESSELS)
E. OPENINGS FOR GREATER, LESSER
&LOWEST SPELANCHNIC NERVES
&SYMPATHETIC CHAIN
291. مغبنی کانال حدود
Ant Wall : Apponeurosis of ext. oblique M
Post Wall : The fascia transversalis
Inf Wall : (Floor)inguinal ligament
Sup Wall : lowest fascia of internal oblique and
transversalis
297. Cord
• The spermatic cord : is a collection of strs. that pass through the
inguinal canal to & from the testis , it is formed from :
• 1- The vas deferens .
• 2- the testicular artery .
• 3- The testicular veins (pampiniform plexus).
• 4- Testicular lymph nodes .
• 5- autonomic Nn.
• 6-processus vaginalis .
• 7- Cremasteric A.
• 8- Artery to vas deferens .
371. Descending Colon:
It is 25 cm long , extended from the
Splenic flexure downward to pelvic
brim to continue with Sigmoid
Colon
The Sigmoid Colon:
It is 35 cm long begins at the Pelvic
brim to continue with the Rectum
at S3 level.
It is attached to the post wall of
Pelvis by the sigmoid mesocolon
372. The Rectum :
It is 13 cm long begins in front of S3
as the continuation of Sigmoid colon
to Pass downward fallowing the
curve of sacrum & coccyx to the tip
of the coccyx where it pierce the
pelvic diaphragm & continues with
anal canal. It dilated lower part is
called the ampulla.
The Anal Canal :
It is 5 cm long extended from the
pelvic diaphragm to the anus
opening & surronded by the anal
Sphincter
431. DIAPHRAGM
• PARTS
I. STERNAL PART
II. COSTAL PART
III. LUMBAR PART
• OPENINGS
A. AORTIC OPENING (AORTA, THORACIC
DUCT, AZYGUS VEIN)
B. ESOPHAGEAL OPENING (ESOPHAGUS,
RT< VAGUS NERVES, ESOPHAGEAL
BRANCH OF LT GASTRIC ART.)
C. CAVAL OPENING (IVC, RT PHRENIC
NERVE)
D. STERNOCOSTAL FISSURE (SUP
EPIGASTRIC VESSELS)
E. OPENINGS FOR GREATER, LESSER
&LOWEST SPELANCHNIC NERVES
&SYMPATHETIC CHAIN