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anatomy > 26/ repro > Flashcards

26/ repro Flashcards

1
Q

male repro

A

make sperm and have structure to geet into female body

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2
Q

female repro

A

egg, oven to cook up, nourishment, recieves

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3
Q

gonads

A

prime sec organs
make gametes

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4
Q

sexondary sex organs

A

not gonads needed for repdroint

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5
Q

interal genitalia

A

in pelvic cavity
uterus, testes, prostate

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6
Q

Secondary characteristics

A

armpit hair and shit
looksmaxxing

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7
Q

we are all the same sec untill

A

gonads develop at 5/6 weeks

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8
Q

SRY gene

A

male
region of y chromo
encodes testis determining factor (TDF)
starts developmeny of male anatomy

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9
Q

what causes female development

A

estrogen levels
absence of androgen

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10
Q

gonadal ridge/ mesoneprhos

A

near primitive kidney
will develop into male or female duct

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11
Q

male 7-8 weeks

A

start to develop testes
mesonephric

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12
Q

female 8-9 weeks

A

start to develop ovaries/ uterus
tubies wil converge n shit
paramesonephric

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13
Q

when are external genitalia formed

A

12 weeks/ 3 months

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14
Q

BALLS GET DROPPED

A

bc balls develop in pelvic cavity
at like 1 mouth oldish

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15
Q

Gubernaculum

A

connective tissue cord that creates inguinal canal

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16
Q

crytorchidism

A

undropped bawls

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17
Q

puberty changes

A

thelarche
pubarche
menarche

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18
Q

thelarche

A

testes, bawls, boobeis grow

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19
Q

pubarhce

A

W bush locks in

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20
Q

menarhce

A

menstruation (drip too hard don’t stand too close)

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21
Q

perineum

A

external genetalia
anal triganle,
urogential triangle

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22
Q

scortum

A

has testes seperated. by median septum

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23
Q

temp regulation muscles

A

creamaster, dartos

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24
Q

Cremaster muscle –

A

internal oblique m. elevates
testes

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25
Q

Dartos muscle

A

– smooth m. wrinkles scrotum to hold closer
– Pampiniform plexus

26
Q

Pampiniform plexus

A

bawls network of vessles
cools of blood going to the bawls

27
Q

what type of gland testis

A

endo and exo

28
Q

testis tissue layers

A

tunica vaginalis
tunica albuginea

29
Q

lobules in the bawls

A

200-300
– Seminiferous tubules
– Thin, coiled duct up to 70 cm long
– Site of spermatogenesis

30
Q

Seminiferous tubules

A
  • Site of spermatogenesis
31
Q

seminiferous tube epithelium

A

germ cells
sustentacular cells

32
Q

Sustentacular cells

A

– protect and promote the germ cells
* aka Sertoli or nurse cells
* Secrete inhibin, müllerian-
inhibiting factor, and androgen
binding protein

33
Q

inhibin

A

evil tesosterone

34
Q

Blood–testis barrier (BTB)—

A

formed by tight junctions
between sustentacular cells
prevent immune cells form entering developing sperm

35
Q

Interstitial (Leydig) cells

A

producing and secrete testosterone

36
Q

androgen binding protein

A

allows spermatogenesis to occur right

37
Q

spermatozoon head

A

small head,
acrosome (has enzymes to penetrait egg layer)
flagellar basal body

38
Q

spermatozoon tail

A

midpiece- mitocondria to swim
principle piece
endpiece

39
Q

flagellar basal body

A

connect head and tail

40
Q

tubules rectus

A

sperm enter shroty after cooking up

41
Q

rete testis

A

collect from tubules rectus, mature a lil more

42
Q

efferent ductules

A

agter rete testis

43
Q

epididymis

A

after efferent duct
store sperm

44
Q

vas deferens

A

sperm duct

45
Q

Seminal vesicles

A

– Pair of glands, posterior to bladder
– Forms 60% of semen
– Empty into ejaculatory duct

46
Q

Prostate gland

A

– Surrounds urethra and ejaculatory
ducts
– Thin milky secretion forms 30% of
semen
– Empties/ cleans into urethra

47
Q

Bulbourethral glands

A

– Pair of glands near base of penis
– Secretes clear fluid that neutralizes
urethra, lubricates head (let swimmers stay fluid)

48
Q

what nutralized the acidity of the gooch

A

swimmers

49
Q

intertile

A

lower that 20-25 ml

50
Q

normal sperm count

A

50-120

51
Q

glans

A

has external urethral orifice
skins is loose of shaft

52
Q

prepuce

A

foreskin

53
Q

Smegma

A

– waxy secretion of
sebaceous glands on the glans
and facing surface of the prepuce

54
Q

Erectile tissue

A

– Contain many blood sinuses
called lacunae (fill with blood)
cavernosum, spongiosum

55
Q

Corpus spongiosum

A
  • One, ventral side
  • Encloses the spongy urethra
  • Forms the glans at the distal end and the bulb in the root
56
Q

Corpora cavernosa

A
  • Two, dorsal side
  • Wrapped in fibrous tunica albuginea - separated by a medial septum
  • Forms the crura in the root
57
Q

internal pudendla artery

A

supply the penis from the internal iliac aa.

58
Q

Deep artery

A

– Travels through the core of
the corpus cavernosa

59
Q

Helicine aa.

A

empty into the lacunae

60
Q

Dorsal vein

A
  • median, superficial dorsal
    surface
61
Q

Deep dorsal vein

A

– Deep to the dorsal vein

anatomy (22 decks)

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