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Histology > Histology Male Reproductive System SIUmed > Flashcards

Histology Male Reproductive System SIUmed Flashcards

1
Q

outermost layer of testis

A

tunica albuginea

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2
Q

body of testes

A

seminiferous tubules

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3
Q

secretes testosterone

A

leydig cells

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4
Q

interconnects seminiferous tubules with efferent ductules

A

rete testis

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5
Q
  • line the seminiferous tubules

- support germ cells

A

Sertoli cells

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6
Q

finished meiosis, but not yet differentiated into spermatozoa

A

spermatids

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7
Q
  • basal surface of seminiferous epithelium

- divide mitotically

A

spermatogonia

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8
Q

preparing for 1st meiotic division

A

primary spermatocytes

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9
Q

first and second meiotic divisions

A

secondary spermatocytes

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10
Q

DNA; spermatogonia

A

2N

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11
Q

DNA: primary spermatocytes

A

4N

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12
Q

DNA: secondary spermatocytes

A

2N

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13
Q

DNA; spermatids

A

N

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14
Q

DNA; spermatozoa

A

N

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15
Q

divide; either mitotically or meiotically

A
  • spermatogonia
  • primary spermatocytes
  • secondary spermatocytes
  • EXCEPT; spermatids & spermatozoa
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16
Q

acrosomes

A

head of spermatozoa

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17
Q

acrosome enzymes

A

penetrate the oocyte

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18
Q

tail of spermatozoa

A
  • mitochondria spiraling around the middle piece
  • two separate microtubules in the center, full length
  • nine pairs of microtubules surrounding the central two
  • a fibrous sheath along the principal piece
  • ALL OF THE ABOVE
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19
Q

DNA: Sertoli cells

A

2N

20
Q

Sertoli cells

A
  • phagocytosis of residual bodies from maturing spermatids
  • establishment through tight junctions of a blood/testis barrier
  • metabolic and mechanical support of germ cells
  • secretion of tubular fluid
  • EXCEPT; secretion of testosterones
21
Q

Leydig cells

A
  • eosinophilic cytoplasm
  • smooth endoplasmic reticulum
  • abundant mitochondria
  • lipid droplets
  • located interstitially
22
Q

sertoli cells

A
  • produces ABP

- regulate germ cell production

23
Q

spermatids

A
  • aquire an acrosome
  • flagellum
  • condense nuclear chromatin
  • shed excess cytoplasm into residual body
24
Q

head of epididymis

A

efferent ductules

25
Q

lining of duct of epididymis

A

pseudo stratified epithelium with stereo cilia (long, non-motile microvilli)

26
Q

length of ductus epididymis

A

5 meters

27
Q

epididymis

A
  • sperm maturation
  • sperm storage
  • absorb excess fluid
  • secretes varios factors
28
Q

spermatic cord

A
  • vas deferens
  • blood and lymphatic vessels
  • nerves
  • straited skeletal muscles
  • EXCEPT; serous alveoli
29
Q

epithelium of vas deferens

A

pseudostratified epithelium with sterocilia (long, non-motile microvilli

30
Q

thickest layer of vas deferens

A

muscularis

31
Q

seminal vesicle

A

hollow tube, extensively folded mucosal lining, in a fibromuscular stroma

32
Q

ejaculatory duct connects

A

seminal vesicle with prostatic urethra

33
Q

stroma of prostate

A

fibromuscular connective tissue

34
Q

prostate

A
  • mucosal (periurethral, submucosal, ad peripheral (main) glands
  • secretory epithelium, supported by lamina propria
  • simple columnar or pseudostratified
  • contain small concretions (corpora amyfacea)
  • ALL OF THE ABOVE
35
Q

semen contains fluid derived from

A
  • testes
  • epididymis & vas deferens
  • seminal vesicles
  • bulbourethral glands
  • prostate
  • EXCEPT; corpus spongiosum & corpus carvenosa
36
Q

erectile tissue

A
  • corpus spongiosum

- corpus carvenosa

37
Q

penile urethra passes through

A

corpus spongiosum

38
Q

mucosa of seminal vesicle

A

pseudostratified epithelium with secretory cells

39
Q

vascular, lined by endothelium

A

spaces within erectile tissue

40
Q

produce build of ejaculatory volume; including fructose

A

seminal vesicle

41
Q

sperm cells mature after speriogenesis

A

epidydimis

42
Q

produce sperm cells by mitosis and meiosis

A

testis

43
Q

surrounds the urethra

A

prostate

44
Q
  • secretes citric acid
  • secretes acid phosphatase
  • other enzymes
  • into seminal fluid
A

prostate

45
Q

prostate

A
  • may enlarge with age

- cause problems with urination

Histology (10 decks)

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