_ICHTHUS_
_ICHTHUS_
_ICHTHUS_
QUESTIONS
QUESTIONSAre the learning activities congruentwith the stated objectives?Are the materials and methodsappropriate for th...
QUESTIONAre there activities provided to addressindividual differences?Do the activities provide maximumlearning experie...
PA R T S O F T H E M A L E R E P R O D U C T I V E S Y S T E M EXTERNAL Parts Of THEMALE REPRODUCTIVE SYSTEM
PA R T S O F T H E M A L E R E P R O D U C T I V E S Y S T E M             SCROTUMSkinCovers the gonadsand other accesso...
PA R T S O F T H E M A L E R E P R O D U C T I V E S Y S T E M     PENISComposed ofspongy erectie tissuesErectile organ ...
PA R T S O F T H E M A L E R E P R O D U C T I V E S Y S T E M     TESTESlocated in the scrotum,outside the body cavity....
PA R T S O F T H E M A L E R E P R O D U C T I V E S Y S T E M     TESTESMale gonadsseminiferous tubules-form spermLeyd...
PA R T S O F T H E M A L E R E P R O D U C T I V E S Y S T E M     TESTESSepta 250-300 lobules Seminiferous tubules
DU
DUCTSEPIDIDYMISDUCTUS DEFERENS (VASDEFERENS)URETHRA (EJACULATORYDUCT)
DUCTS EPIDIDYMISBetween seminiferous tubulesand vas deferens~6 m longLocated in scrotum
DUCTS EPIDIDYMISPseudostratified columnarepithelium  With stereocilia (long  microvilli)  Smooth muscle  Sperm mature ...
DUCTS Ductus deferens / Vas deferensFrom scrotum to pelvisForms ejaculatory duct withseminal vesicle ductEmpties into p...
DUCTS Ductus deferens / Vas deferensPseudostratified epitheliumLamina propriaMuscularis Inner longitudinal Middle cir...
DUCTS URETHRA / Ejaculatory ductShared with urinary systemProstatic urethraMembranous urethraSpongy (penile) urethraS...
ACCESSORY GLANDS
ACCESSORY GLANDS       SEMINAL VESICLE60% of semenFructose to nourish spermAlso contains asorbic acid,coagulating enzym...
ACCESSORY GLANDS          SEMINAL VESICLEA pair of glands that secrete a liquid component of semen into the vas deferens....
ACCESSORY GLANDS    PROSTATE GLANDSurrounds prostatic urethra30% of semenSupports sperm
ACCESSORY GLANDS     PROSTATE GLANDSecretion- slightly alkaline fluid thatactivates the sperm and preventsthem from stick...
ACCESSORY GLANDS Bulbourethral Gland / COWPER’s GlandFunction- It acts to wash residualurine out of the urethra whenejacu...
ACCESSORY GLANDSBulbourethral Gland / COWPER’sGlandSecretion- a thick, clear alkalinemucous that drains into themembranou...
EMINAL FLUID
SEMINAL FLUIDWHAT is SEMINAL FLUID? thick, yellowish, and alkaline. It contains mucus, fructose,  a coagulating enzyme, ...
SEMINAL FLUIDWHAT is SEMINAL FLUID?Sperm (10%) + accessory glandsecretions (90%)2 – 5 ml per ejaculate with 50 – 120mill...
EJACULATION
E J A C U L AT I O N       What happens at        ejaculation?propels sperm from theepididymis to the vas deferens.The v...
E J A C U L AT I O N    What is ejaculation?A male usually ejaculates about 2– 5 mL of semen; each millilitercontaining a...
E J A C U L AT I O N   What happens during      ejaculation?Sympathetic activationPeristaltic contraction of smoothmuscl...
ERECT
ERECTIONSexual excitement(parasympathetic) blood flow to erectile bodiesSqueezes veins shut blood pressure in erectile...
ERECTIONErectile tissues corpora cavernosa (2) corpus spongiosumErectile physiology dilation of deep artery lacunae ...
SPERMATOGENE
SPERMATOGENESIS
SPERMATOGENESIS
SPERMATOGENESISMATURE SPERM CELL
SPERMATOGENESISMATURE SPERM CELL            head                                                          acrosome        ...
SPERMATOGENESIS   Spermatogonia    On basal lamina    Mitosis   Primary spermatocytes    1st meiotic division   Seco...
SPERMATOGENESISMATURITY AND DEVELOPMENT
SPERMATOGENESISHormones Involved in Spermatogenesis• Gonadotropin Releasing  Hormone (GnRH)• Follicle Stimulating Hormone ...
SPERMATOGENESIS300 million sperm/daySpermatogenesis beginsat puberty
HORMO
HORMONES                                                       hypothalamic Gn-RFnegative               anterior pituitary...
HORMONES      Hormonal ControlHypothalamus            GnRH           Anterior Pituitary   ICSH                         FSH
HORMONESHormonal Control           ICSH    Interstitial Cells      Testosterone
HORMONES      Hormonal ControlFSH                   Testosterone      Sertoli Cells  Spermatogenesis             Inhibin
HORMONES        Hormonal ControlInhibin Acts on anterior pituitary Inhibits FSH productionTestosterone Acts on hypoth...
HORMONES EFFECTS OF TESTOSTERONEmuscle and bone growthfacial and pubic hair growththickening of vocal cordsgrowth of p...
_ICHTHUS_
CONTRACEPTION         VASECTOMY
CONTRACEPTION           CONDOMS
_ICHTHUS_
Upcoming SlideShare
Loading in …5
×

Powerpoint edited

359
-1

Published on

Published in: Health & Medicine, Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
359
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
3
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Powerpoint edited

  1. 1. _ICHTHUS_
  2. 2. _ICHTHUS_
  3. 3. _ICHTHUS_
  4. 4. QUESTIONS
  5. 5. QUESTIONSAre the learning activities congruentwith the stated objectives?Are the materials and methodsappropriate for the objectives set?Does the teacher have the skill toimplement the activities or use thestrategy?Does the teacher utilize the variousways of doing to complement thelearning styles of the students?
  6. 6. QUESTIONAre there activities provided to addressindividual differences?Do the activities provide maximumlearning experiences?Do the activities motivate the learnersto do more and harness their potential?Do the activities utilize multiplesensory abilities of the learners?Do the activities address multipleintelligences of the learners?
  7. 7. PA R T S O F T H E M A L E R E P R O D U C T I V E S Y S T E M EXTERNAL Parts Of THEMALE REPRODUCTIVE SYSTEM
  8. 8. PA R T S O F T H E M A L E R E P R O D U C T I V E S Y S T E M SCROTUMSkinCovers the gonadsand other accessoryorgans.Regulates thetemperature essentialfor the sperm (3 C)
  9. 9. PA R T S O F T H E M A L E R E P R O D U C T I V E S Y S T E M PENISComposed ofspongy erectie tissuesErectile organ for Shaft(body)male. glans penisSperm pathway (head) Corpora cavernosa Corpora spongiosum
  10. 10. PA R T S O F T H E M A L E R E P R O D U C T I V E S Y S T E M TESTESlocated in the scrotum,outside the body cavity.This keeps testiculartemperature cooler thanthe body cavity.
  11. 11. PA R T S O F T H E M A L E R E P R O D U C T I V E S Y S T E M TESTESMale gonadsseminiferous tubules-form spermLeydig cells(interstitial cells)-produce androgens
  12. 12. PA R T S O F T H E M A L E R E P R O D U C T I V E S Y S T E M TESTESSepta 250-300 lobules Seminiferous tubules
  13. 13. DU
  14. 14. DUCTSEPIDIDYMISDUCTUS DEFERENS (VASDEFERENS)URETHRA (EJACULATORYDUCT)
  15. 15. DUCTS EPIDIDYMISBetween seminiferous tubulesand vas deferens~6 m longLocated in scrotum
  16. 16. DUCTS EPIDIDYMISPseudostratified columnarepithelium With stereocilia (long microvilli) Smooth muscle Sperm mature and stored
  17. 17. DUCTS Ductus deferens / Vas deferensFrom scrotum to pelvisForms ejaculatory duct withseminal vesicle ductEmpties into prostatic urethraThick muscularisPropels sperm duringejaculation
  18. 18. DUCTS Ductus deferens / Vas deferensPseudostratified epitheliumLamina propriaMuscularis Inner longitudinal Middle circular Outer longitudinal MICROSCOPIC VIEW
  19. 19. DUCTS URETHRA / Ejaculatory ductShared with urinary systemProstatic urethraMembranous urethraSpongy (penile) urethraSperm pathway
  20. 20. ACCESSORY GLANDS
  21. 21. ACCESSORY GLANDS SEMINAL VESICLE60% of semenFructose to nourish spermAlso contains asorbic acid,coagulating enzyme, prostaglandinSeminal Vesicle
  22. 22. ACCESSORY GLANDS SEMINAL VESICLEA pair of glands that secrete a liquid component of semen into the vas deferens.Secretion is alkaline Seminal Vesicle
  23. 23. ACCESSORY GLANDS PROSTATE GLANDSurrounds prostatic urethra30% of semenSupports sperm
  24. 24. ACCESSORY GLANDS PROSTATE GLANDSecretion- slightly alkaline fluid thatactivates the sperm and preventsthem from sticking togethercitrate, calcium, phosphate ionsclotting enzymesserine protease
  25. 25. ACCESSORY GLANDS Bulbourethral Gland / COWPER’s GlandFunction- It acts to wash residualurine out of the urethra whenejaculating semen-- raises pH;neutralizes acidity of urine.paired glands that lie beneath theprostate Bulbourethral gland
  26. 26. ACCESSORY GLANDSBulbourethral Gland / COWPER’sGlandSecretion- a thick, clear alkalinemucous that drains into themembranous urethra.pre-ejaculatory fluidmucusacid buffers Bulbourethral gland
  27. 27. EMINAL FLUID
  28. 28. SEMINAL FLUIDWHAT is SEMINAL FLUID? thick, yellowish, and alkaline. It contains mucus, fructose, a coagulating enzyme, ascorbic acid, and prostaglandins.
  29. 29. SEMINAL FLUIDWHAT is SEMINAL FLUID?Sperm (10%) + accessory glandsecretions (90%)2 – 5 ml per ejaculate with 50 – 120million sperm per ml
  30. 30. EJACULATION
  31. 31. E J A C U L AT I O N What happens at ejaculation?propels sperm from theepididymis to the vas deferens.The vas deferens run from thescrotum and behind the urinarybladder.The ejaculatory ducts open intothe urethra.
  32. 32. E J A C U L AT I O N What is ejaculation?A male usually ejaculates about 2– 5 mL of semen; each millilitercontaining about 50 – 130 millionsperm.
  33. 33. E J A C U L AT I O N What happens during ejaculation?Sympathetic activationPeristaltic contraction of smoothmuscles in ducts and glands -ejaculationConstriction of arteries blood pressure in erectile bodies
  34. 34. ERECT
  35. 35. ERECTIONSexual excitement(parasympathetic) blood flow to erectile bodiesSqueezes veins shut blood pressure in erectile bodies
  36. 36. ERECTIONErectile tissues corpora cavernosa (2) corpus spongiosumErectile physiology dilation of deep artery lacunae fill with blood erectile tissues expand  and harden penile veins pinched off
  37. 37. SPERMATOGENE
  38. 38. SPERMATOGENESIS
  39. 39. SPERMATOGENESIS
  40. 40. SPERMATOGENESISMATURE SPERM CELL
  41. 41. SPERMATOGENESISMATURE SPERM CELL head acrosome midpiece nucleus tail mitochondria flagellum SEMINIFEROUS TUBULESSEM of sperm in lumen of seminiferous tubule
  42. 42. SPERMATOGENESIS Spermatogonia On basal lamina Mitosis Primary spermatocytes 1st meiotic division Secondary spermatocytes 2nd meiotic division Spermatid Haploid 4 from each 1 spermatocyte
  43. 43. SPERMATOGENESISMATURITY AND DEVELOPMENT
  44. 44. SPERMATOGENESISHormones Involved in Spermatogenesis• Gonadotropin Releasing Hormone (GnRH)• Follicle Stimulating Hormone (FSH)• Interstitial Cell Stimulating Hormone (ICSH=LH)• Testosterone• Inhibin• ABP
  45. 45. SPERMATOGENESIS300 million sperm/daySpermatogenesis beginsat puberty
  46. 46. HORMO
  47. 47. HORMONES hypothalamic Gn-RFnegative anterior pituitary gland negativefeedback feedback follicle-stimulating hormone luteinizing hormone testes sustentacular cells spermatogonia interstitial cells prepares for spermiogenesis enter spermatogenesis testosterone secretion inhibin secretion development of primary male sex characteristics (before birth) development of secondary male sex characteristics (beginning at puberty) 1. enlargement of sex organs 2. activation of accessory organs 3. beginning of sexual behavior 4. increased protein anabolism 5. required for spermatogenesis and spermiogenesis
  48. 48. HORMONES Hormonal ControlHypothalamus GnRH Anterior Pituitary ICSH FSH
  49. 49. HORMONESHormonal Control ICSH Interstitial Cells Testosterone
  50. 50. HORMONES Hormonal ControlFSH Testosterone Sertoli Cells Spermatogenesis Inhibin
  51. 51. HORMONES Hormonal ControlInhibin Acts on anterior pituitary Inhibits FSH productionTestosterone Acts on hypothalamus Inhibits GnRH production
  52. 52. HORMONES EFFECTS OF TESTOSTERONEmuscle and bone growthfacial and pubic hair growththickening of vocal cordsgrowth of pharyngeal cartilagehair follicle effectsstimulates sebaceous glandsIncreased BMR
  53. 53. _ICHTHUS_
  54. 54. CONTRACEPTION VASECTOMY
  55. 55. CONTRACEPTION CONDOMS
  56. 56. _ICHTHUS_
  1. A particular slide catching your eye?

    Clipping is a handy way to collect important slides you want to go back to later.

×