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Reproduction Physiology > Lab Practical - Functions > Flashcards

Lab Practical - Functions Flashcards

1
Q

Tunica Dartos Muscle

A

can increase or decrease surface area around the testes for thermoregulation

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2
Q

Visceral Vaginal Tunic

A

layer that covers the testicle

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3
Q

Parietal Vaginal Tunic

A

layer under the scrotum, between the scrotum and the testicle

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4
Q

Seminiferous Tubules

A

produce sperm

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5
Q

Rete Testis

A

network of collecting tubules

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6
Q

Head (caput) of Epididymis

A

sperm is moved here, not motile yet, stereocilia are used for fluid absorption

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7
Q

Body (corpus) of Epididymis

A

transportation and maturation occur

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8
Q

Tail (cauda) of Epididymis

A

sperm are matured and concentrated here for storage

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9
Q

Vas Deferens

A

transport sperm into the body

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10
Q

Cremaster Muscle

A

can contract to pull the testicles close to the body for thermoregulation

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11
Q

Pampiniform Plexus

A

vessels that surround the artery to cool the blood

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12
Q

Vesicular Gland / Seminal Vesicles

A

produce fluid for semen

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13
Q

Prostate Gland

A

produce fluid for semen

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14
Q

Bulbourethral / Cowpers Gland

A

produce fluid for semen

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15
Q

Urethralis Muscle

A

forces release of seminal fluid during ejaculation as well as emptying of the last vestiges of urine during urination

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16
Q

Ischiocavernosus Muscle

A

contracts to close the crura and stop venous return

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17
Q

crura

A

carries blood return from the penis

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18
Q

Bulbospongiosus Muscle

A

helping to expel semen during ejaculation and empty the urethra

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19
Q

Retractor Penis Muscle

A

contracts to retract the penis into the sheath and relaxes to allow the penis to extend from the sheath

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20
Q

Collicilus Seminalis

A

site where sperm mixes with fluid to become semen

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21
Q

Sigmoid Flexure

A

the shape of the penis held inside the sheath

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22
Q

Urethra

A

allows urine to leave the body

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23
Q

Corpus Cavernosum

A

filled with blood to become rigid

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24
Q

Corpus Spongiosum

A

surrounds the urethra

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25
Q

Erection Canals

A

blood flow through the penis

26
Q

Glans Penis

A

the tip of the penis, can be various shapes

27
Q

Broad Ligament

A

support for structures in the female reproductive tract

28
Q

Mesometrium

A

attached to the uterus, to give support

29
Q

Mesosalpinx

A

attached to the oviduct, to give support

30
Q

Mesovarium

A

attached to the ovary, to give support

31
Q

Vulva

A

protects the internal reproductive organs from injury and infectious organisms

32
Q

Vestibule

A

has vestibular glands that produce fluid for lubrication

33
Q

Suburethral Diverticulum

A

a blind sac located below the opening of the urethra in the vestibule of the reproductive tract

34
Q

Fornix Vagina (cow)

A

blind sac near the cervix

35
Q

which animal: annular/cervical rings

A

cow

36
Q

which animal: interdigitating pads

A

sow

37
Q

caruncles (cow)

A

forms the placenta

38
Q

uterotubual junction

A

connects the uterine horn to the oviduct, controls the movement of spermatozoa/zygotes between the oviduct and uterus

39
Q

isthmus

A

becomes narrow so the egg becomes stuck

40
Q

ampulla

A

widening area where the oocyte goes after the infundibulum

41
Q

ampullary-isthmis Junction

A

site of fertilization

42
Q

Infundibulum

A

where the oocyte first enter into the oviduct

43
Q

Fimbria

A

cover the ovary to pick up the egg when ovulating

44
Q

Graafian Follicle

A

produce estrogen, final stage of follicle development, right before ovulation

45
Q

Corpus Luteum

A

produces progesterone

46
Q

Corpus Albicans

A

The corpus albicans is a remnant of ovulation and does not produce any hormones. The degradation of the corpus luteum into the corpus albicans causes a drop in estrogen and progesterone levels, which leads to menstruation.

47
Q

Stigma (poultry)

A

where the yolk will rupture

48
Q

Infundibulum (poultry)

A

egg pickup and fertilization

49
Q

magnum (poultry)

A

albumen secretion

50
Q

Isthmus (poultry)

A

formation of shell membranes

51
Q

Uterus (poultry)

A

formation of shell

52
Q

Cloaca (poultry)

A

exit for the egg (and feces) and where sperm enters

53
Q

leydig cells

A

produce testosterone

54
Q

stereocilia (function and location)

A
  • head of the epidiymis
  • fluid absorption
55
Q

acidophils

A

cells that secrete growth hormone (GH) and prolactin, red

56
Q

basophils

A

cells that produce FSH and LH, purple

57
Q

granulosa cells

A

convert testosterone to estrogen to produce estrogen

58
Q

theca interna

A

secrete testosterone

59
Q

antrum

A

fluid filled cavity in the follicle

60
Q

oocyte

A

female gamete

61
Q

zona pellucida

A

glycoprotein layer on the outside of the oocyte for protection

Reproduction Physiology (15 decks)

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