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anatomy > 26/ repro > Flashcards

26/ repro Flashcards

(61 cards)

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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
Dartos muscle
– smooth m. wrinkles scrotum to hold closer – Pampiniform plexus
26
Pampiniform plexus
bawls network of vessles cools of blood going to the bawls
27
what type of gland testis
endo and exo
28
testis tissue layers
tunica vaginalis tunica albuginea
29
lobules in the bawls
200-300 – Seminiferous tubules – Thin, coiled duct up to 70 cm long – Site of spermatogenesis
30
Seminiferous tubules
* Site of spermatogenesis
31
seminiferous tube epithelium
germ cells sustentacular cells
32
Sustentacular cells
– protect and promote the germ cells * aka Sertoli or nurse cells * Secrete inhibin, müllerian- inhibiting factor, and androgen binding protein
33
inhibin
evil tesosterone
34
Blood–testis barrier (BTB)—
formed by tight junctions between sustentacular cells prevent immune cells form entering developing sperm
35
Interstitial (Leydig) cells
producing and secrete testosterone
36
androgen binding protein
allows spermatogenesis to occur right
37
spermatozoon head
small head, acrosome (has enzymes to penetrait egg layer) flagellar basal body
38
spermatozoon tail
midpiece- mitocondria to swim principle piece endpiece
39
flagellar basal body
connect head and tail
40
tubules rectus
sperm enter shroty after cooking up
41
rete testis
collect from tubules rectus, mature a lil more
42
efferent ductules
agter rete testis
43
epididymis
after efferent duct store sperm
44
vas deferens
sperm duct
45
Seminal vesicles
– Pair of glands, posterior to bladder – Forms 60% of semen – Empty into ejaculatory duct
46
Prostate gland
– Surrounds urethra and ejaculatory ducts – Thin milky secretion forms 30% of semen – Empties/ cleans into urethra
47
Bulbourethral glands
– Pair of glands near base of penis – Secretes clear fluid that neutralizes urethra, lubricates head (let swimmers stay fluid)
48
what nutralized the acidity of the gooch
swimmers
49
intertile
lower that 20-25 ml
50
normal sperm count
50-120
51
glans
has external urethral orifice skins is loose of shaft
52
prepuce
foreskin
53
Smegma
– waxy secretion of sebaceous glands on the glans and facing surface of the prepuce
54
Erectile tissue
– Contain many blood sinuses called lacunae (fill with blood) cavernosum, spongiosum
55
Corpus spongiosum
* One, ventral side * Encloses the spongy urethra * Forms the glans at the distal end and the bulb in the root
56
Corpora cavernosa
* Two, dorsal side * Wrapped in fibrous tunica albuginea - separated by a medial septum * Forms the crura in the root
57
internal pudendla artery
supply the penis from the internal iliac aa.
58
Deep artery
– Travels through the core of the corpus cavernosa
59
Helicine aa.
empty into the lacunae
60
Dorsal vein
- median, superficial dorsal surface
61
Deep dorsal vein
– Deep to the dorsal vein

anatomy (22 decks)

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