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Theriogenology > Repro Hormones > Flashcards

Repro Hormones Flashcards

(81 cards)

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1
Q

What is the biochemical classification of GnRH?

A

Neuropeptide

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2
Q

What is the biochemical classification of LH?

A

Glycoprotein

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3
Q

What is the biochemical classification of FSH?

A

Glycoprotein

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4
Q

What is the biochemical classification of prolactin?

A

Protein

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5
Q

What is the biochemical classification of oxytocin?

A

Neuropeptide

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6
Q

What is the biochemical classification of estradiol?

A

Steroid

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7
Q

What is the biochemical classification of progesterone?

A

Steroid

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8
Q

What is the biochemical classification of testosterone?

A

Steroid

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9
Q

What is the biochemical classification of inhibin?

A

Glycoprotein

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10
Q

What is the biochemical classification of activin?

A

Glycoprotein

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11
Q

What is the biochemical classification of prostaglandin F2a?

A

Prostaglandin (C-20 fatty acid)

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12
Q

What is the biochemical classification of prostaglandin E2?

A

Prostaglandin (C-20 fatty acid)

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13
Q

What is the biochemical classification of hCG?

A

Glycoprotein

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14
Q

What is the biochemical classification of eCG?

A

Glycoprotein

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15
Q

What is the biochemical classification of placental lactogen?

A

Protein

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16
Q

What is the source of GnRH?

A

Hypothalamic surge and tonic centers

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17
Q

What is the source of LH?

A

Anterior pituitary

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18
Q

What is the source of FSH?

A

Anterior pituitary

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19
Q

What is the source of prolactin?

A

Anterior pituitary

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20
Q

What is the source of oxytocin?

A

Synthesized by hypothalamus and CL, stored in posterior pituitary

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21
Q

What is the source of estradiol?

A
  • Granulosal cells of follicle

- Sertoli cells of testis

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22
Q

What is the source of progesterone?

A
  • CL

- Placenta

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23
Q

What is the source of testosterone?

A

Leydig cells (interstitial), Theca interna

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24
Q

What is the source of inhibin?

A
  • Granulosa cells (female)

- Sertoli cells (male)

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25
What is the source of activin?
- Placental cells (human female) - Granulosa cells (female) - Sertoli cells (male)
26
What is the source of prostaglandin F2a?
- Uterine endometrium (female) | - Vesicular glands (male)
27
What is the source of prostaglandin E2?
- Ovary - Uterus - Embryonic membranes
28
What is the source of hCG?
Trophoblast of blastocyst (chorion)
29
What is the source of eCG?
Chorionic girdle cells
30
What is the source of placental lactogen?
Placenta
31
What is the target tissue in the male for GnRH?
Anterior pituitary
32
What is the target tissue in the male for LH?
Testis (Interstitial cells of Leydig)
33
What is the target tissue in the male for FSH?
Testis (Sertoli cells)
34
What is the target tissue in the male for prolactin?
- Testis | - Brain
35
What is the target tissue in the male for oxytocin?
- Smooth muscle of epididymal tail - Ductus deferens - Ampulla
36
What is the target tissue in the male for estradiol?
Brain (Inhibits long bone growth)
37
What is the target tissue in the male for testosterone?
- Accessory sex glands - Tunica dartos of scrotum - Seminiferous epithelium - Skeletal muscle
38
What is the target tissue in the male for inhibin?
Anterior pituitary (gonadotrophs)
39
What is the target tissue in the male for activin?
Anterior pituitary (gonadotrophs)
40
What is the target tissue in the male for prostaglandin F2a?
Epididymus
41
What is the target tissue in the female for GnRH?
Anterior pituitary
42
What is the target tissue in the female for LH?
Ovary (Theca interna and luteal cells)
43
What is the target tissue in the female for FSH?
Ovary (Granulosa cells)
44
What is the target tissue in the female for prolactin?
- Mammary cells | - CL (some species)
45
What is the target tissue in the female for oxytocin?
- Myometrium - Endometrium - Myoepithelial cells of mammary glands
46
What is the target tissue in the female for estradiol?
- Hypothalamus - Entire repro tract - Mammary gland
47
What is the target tissue in the female for progesterone?
- Endometrium - Mammary gland - Myometrium - Hypothalamus
48
What is the target tissue in the female for testosterone?
- Brain - Skeletal muscle - Granulosa cells
49
What is the target tissue in the female for inhibin?
Anterior pituitary (gonadotrophs)
50
What is the target tissue in the female for activin?
Anterior pituitary (gonadotrophs)
51
What is the target tissue in the female for prostaglandin F2a?
- CL - Myometrium - Ovulatory follicles
52
What is the target tissue in the female for prostaglandin E?
- CL | - Oviduct
53
What is the target tissue in the female for hCG?
Ovary
54
What is the target tissue in the female for eCG?
Ovary
55
What is the target tissue in the female for placental lactogen?
Mammary gland
56
What is the primary action of GnRH in the male?
Release of FSH/LH from anterior pituitary
57
What is the primary action of LH in the male?
Stimulates testosterone production
58
What is the primary action of FSH in the male?
Sertoli cell function
59
What is the primary action of prolactin in the male?
Can induce maternal behavior
60
What is the primary action of oxytocin in the male?
- PGF2a synthesis | - Pre-ejaculatory moment of spermatozoa
61
What is the primary action of estradiol in the male?
Sexual behavior
62
What is the primary action of testosterone in the male?
- Anabolic growth - Promotes spermatogenesis - Promotes secretion of accessory sex glands
63
What is the primary action of inhibin in the male?
Inhibits FSH secretion
64
What is the primary action of activin in the male?
Inhibits FSH secretion
65
What is the primary action of prostaglandin F2a in the male?
- Affects activity of spermatozoa | - Causes epididymal contractions
66
What is the primary action of hCG in the male?
Increase growth of fetal testis
67
What is the primary action of GnRH in the female?
Release of FSH/LH from anterior pituitary
68
What is the primary action of LH in the female?
- Stimulates ovulation - Formation of CL - Progesterone secretion
69
What is the primary action of FSH in the female?
- Follicular development | - Estradiol secretion
70
What is the primary action of prolactin in the female?
- Lactation - Maternal behavior - CL function
71
What is the primary action of oxytocin in the female?
- Uterine motility - Promotes uterine PGF2a synthesis - Milk ejection
72
What is the primary action of estradiol in the female?
- Sexual behavior - GnRH - Elevated secretion of the entire tract - Enhanced uterine motility
73
What is the primary action of progesterone in the female?
- Endometrial secretion - Inhibits GnRH release - Inhibits reproductive behavior - Promotes maintenance of pregnancy
74
What is the primary action of testosterone in the female?
- Substrate for E2 synthesis | - Abnormal masculization
75
What is the primary action of inhibin in the female?
Inhibits FSH secretion
76
What is the primary action of activin in the female?
Inhibits FSH secretion
77
What is the primary action of prostaglandin F2a in the female?
- Luteolysis - Promotes uterine tone and contraction - Ovulation
78
What is the primary action of prostaglandin E in the female?
- Ovulation | - Stimulate CL secretion of progesterone
79
What is the primary action of hCG in the female?
Facilitate production of progesterone by ovary
80
What is the primary action of eCG in the female?
Causes formation of accessory CL
81
What is the primary action of placental lactogen in the female?
Mammary stimulation

Theriogenology (37 decks)

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