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Mammalian Reproduction > Part 2 Definitions > Flashcards

Part 2 Definitions Flashcards

1
Q

Atresia

A

1st and 2nd wave dominant follicles

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2
Q

Recruitment

A

High FSH+ low LH pulse frequency+ low inhibin+ low E2

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3
Q

Selected/ Dominant follicles

A

LH Dependent

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4
Q

Ovulation

A

Edema+ lysosomal ezymes+ collegenase

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5
Q

Granulosa Cells precursors

A

large luteal cells

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6
Q

Theca interna cells precursors

A

small luteal cells

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7
Q

luteal phase lasts

A

ovulation to luteolysis

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8
Q

large luteal cells

A

hypertrophy and produce OT+ RLN

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9
Q

small luteal cells

A

Hyperplasia and produce P4`

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10
Q

counter current exchange system

A

passive transfer to PGF2a to ovary

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11
Q

PGF2a secreted by

A

endometrium

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12
Q

increased flow of calcium into the cell

A

apoptosis

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13
Q

GnRH analogue

A

Treatment of COD

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14
Q

Theca interna cells have

A

LH receptors

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15
Q

Granulosa cells have

A

FSH receptors

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16
Q

FSH receptors causes

A

aromatase activation to convert T4 to E2

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17
Q

Inhibin causes

A

inhibition of FSH

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18
Q

Dictates gonadotropins

A

progesterone

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19
Q

peak progesterone

A

diestrus

20
Q

peak estrgoen

A

estrus

21
Q

luteolysis

A

proestrus

22
Q

recruited emergent follicles are

A

FSH dependent

23
Q

selected and dominant follicles are

A

LH dependent

24
Q

atresia in most follicles is caused by

A

Low LH receptors

25
Q

menopause definition

A

lack of cyclicity

26
Q

males post puberty

A

low amplitude and high frequency of GnRH every few hours

27
Q

females before puberty

A

low amplitude and low frequency pulses of GnRH

28
Q

surge center

A

E2 dependent

29
Q

pre-puberty gonads

A

responsive to exogeonous FSH and LH

30
Q

50% of menstrual phase in women

A

follicular phase

31
Q

Diestus

A

max CL size

32
Q

80% of estrous cycle

A

luteal phase

33
Q

Shortest stage

A

Estrus

34
Q

Increasing P4

A

metestrus

35
Q

Estrous cycle
Mentrual cycle
anestrus
amenorrhea

A

mammals
primates
mammals
primates

36
Q

estrus
Estrous
Polyestrus
monestrus

A

noun
adjective
many cycles per year
one cycle per year

37
Q

Diestrus
Proestrus
Estrus
metestrus

A

low E2, Low LH, high P4
rising E2, rising LH, low P4
High E2, High LH, Low P4
Low E2, low LH, rising P4

38
Q

follicular phase
luteal phase
unique stage to a non-mated queen
sexual receptivity and ovulation

A

proestrus+ estrus
metestrus+ diestrus
postestrus
estrus

39
Q

Tonic center
surge center
Anterior pituitary
neural reflex

A

influenced by proesterone and releases small, infrequent spikes of GnRH
under the influence of high levels of estrogen, high amplitude GnRH release
secondary portal plexus
induced ovulation

40
Q

Proestrus+ estrus
luteal phase
post ovulation
peak progesterone

A

follicular phase
metestrus and diestrus
metestrus
diestrus

41
Q 
kick start of proestrus
1st follicular wave
FSH
selected and dominant follicles are
recruited emergent follicles are
A 
luteolysis
under goes atresia
stimulates follicular recruitment
LH dependent
FSH dependent
42
Q

Uterine vein
ovarian artery
PGF2a
Primates

A

high concentration of PGF2a
Very low concentration of PGF2a
very short half life
ovarian source of PGF2a

43
Q

Leydig cells
Sertoli cells
LH dependent
FSH dependent

A

T4 production
inhibin
leydig cells
sertoli cells

44
Q 
spermatogonia population
proliferation phase
primary spermatocytes
end of product of meiosis 2/ meiotic phase
Differentiation phase
A 
proliferation phase
stem cell renewal
longest life span of all germ cells
spermatids
differentiated spermatozoon
45
Q

Gogli phase
cap phase
germ cell generation
cycle of the seminiferous epithelium

A

acrosomic vesicle growth and axoneme formation
acrosome forms cap overthe nucleus and primitive flagellum protudes
cells of same types located at one site within the seminiferous epithelium
progession through a complete series of cellular stages at on loaction along a

Mammalian Reproduction (10 decks)

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