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Microanatomy > Male Reproductive System > Flashcards

Male Reproductive System Flashcards

1
Q

What are the functions of the male reproductive system?

A
  • Production of male sex hormones
  • production of testosterone
  • introduction of male gametes into female reproductive organs
  • production of inhibin in adult and PMDH/AMH in male embryo
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2
Q

Where does spermatogenesis take place?

A

testis

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3
Q

What is the testis surrounded by?

A

tunicae vaginalis and tunica albuginea

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4
Q

What is tunica vaginalis composed of?

A

mesothelium and connective tissue layer

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5
Q

T or F: tunica vaginalis has a visceral and parietal layer?

A

True

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6
Q

What is tunica albuginea made up of?

A

dense connective tissue composed of collagen fibers, few elastic fibers and myofibroblasts

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7
Q

What is spetule testis?

A

continuous with tunica albuinea, it separates seminiferous tubules

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8
Q

How large are seminiferous tubules?

A

60-80 cm in length

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9
Q

What are seminiferous tubules lined by?

A

spermatogenic epithelium which is then lined by lamina propria of collagen and elastic fibers

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10
Q

What are located between seminiferous tubules?

A

Leydig cells

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11
Q

T or F: Spermatogonia are the most immature spermatogenic cells?

A

True

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12
Q

T or F: Spermatogonia lie next to the basement membrane?

A

true

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13
Q

What are myoid cells?

A

located outside basement membrane of each tubule

move spermatozoa out of tubules

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14
Q

What is the spermatic pathway?

A 
seminiferious tubules
tubuli recti 
rete testis
efferent ductules 
epididymal duct 
ductus deferens
pelvic urethra
penile urethra
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15
Q

Where do seminiferous tubules empty into?

A

testicular tubules and then into rete testis

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16
Q

What are sertoli cells?

A

tall cells that extend basement membrane to lumen of tubule

pale oval, triangular nuclei

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17
Q

What are the functions of sertoli cells?

A

support, protect, nourish spermatogenic cells
secrete testicular fluid
protect spermatids from immune system

18
Q

T or F: Sertoli cells have receptors for FSH, that release androgen binding protein

A

true

19
Q

What is anti-mullerian hormone?

A

hormone produced by sertoli cells that prevent formation of mullerian duct and oviduct

20
Q

What is inhibin?

A

supresses secreation of FSH

21
Q

What does the nuclei of a Leydig cell look like? Cytoplasm?

A

small, round and euchromatic

cytoplasm is acidophlilic

22
Q

What is the function of Leydig cells?

A

secrete testosterone

23
Q

T or F: testosterone is responsible for sex drive?

A

True

24
Q

What is an anabolic effect? What hormone exhibit it?

A

stimulates growth of skeletal muscles and bones

testosterone

25
Q

What vascular supply is the spermatic cord composed of?

A

testicular artery
testicular vein
Lymphatics
Ductus deferens

26
Q

What is the rete testis lined by?

A

simple squamous to cuboidal epithelium

27
Q

What is the epididymis duct of a testis?

A

one long coiled tubule

composed of the head, body, tail

28
Q

What is the epididymal duct lined by?

A

pseudostraified columar epithelium with sterocilla

29
Q

What are the main functions of the epididymal duct?

A

90% fluid resorption and secretion of glycerophosphocholine

30
Q

What is the ductus deferens lined by?

A

pseudostratified columnar epithelium with stereocilla

31
Q

What are muscularis ?

A

contractions that propel spermatozoa

32
Q

What are four accessory glands?

A

bulbourethral glands
prostate glands
ampullary glands
vesicular glands

33
Q

T or F: all accessory glands are tubuloalveloar?

A

True

34
Q

What are vesicular glands lined by?

A

pseudostratified epithelum with tall columnar cells and basal cells

35
Q

What is the function of vesicular glands?

A

produce fructose which is the source of energy for sperm cells

36
Q

What is the prostate lined by?

A

simple cuboidal to columnar epithelium

37
Q

T or F: Prostatic concretions (corpora amylacea) are seen in lumen of prostate and they increase with age

A

True

38
Q

What is the prostate surrounded by?

A

fibroelastic capsule

39
Q

Where do bulbourethral glands empty into?

A

pelvic urethra

40
Q

What is corpora cavernosa?

A

paired masses of erectile tissue in penis

41
Q

What is corpus spongiosum?

A

single mass of erectile tissues that surrounds the urethra

42
Q

What are the three portions of the male urethra?

A

prostatic, pelvic and penile

Microanatomy (7 decks)

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