week 1 - reproductive hormones Flashcards
(69 cards)
1
Q
what are the 15 reproductive hormones?
A
- GnRH
- LH
- FSH
- prolactin
- oxytocin
- estradiol
- progesterone
- testosterone
- inhibin
- activin
- PGF2a
- hCG
- PGE2
- eCG
- placental lactogen
2
Q
which hormones are neuropeptides?
A
- GnRH
- oxytocin
3
Q
which hormones are glycoproteins?
A
- LH
- FSH
- inhibin
- activin
- hCG
- eCG
4
Q
which hormones are proteins?
A
- prolactin
- placental lactogen
5
Q
which hormones are steroids?
A
- estradiol
- progesterone
- testosterone
6
Q
which hormones are fatty acids?
A
- PGF2a
- PGE2
7
Q
where does GnRH come from?
A
- hypothalamus
8
Q
where do LH and FSH come from?
A
- anterior pituitary (gonadotrophs)
9
Q
where does prolactin come from?
A
- anterior pituitary (lactotrophs)
10
Q
where does oxytocin come from?
A
- synthesized in the hypothalamus (and corpus luteum in females)
- stored in the posterior pituitary
11
Q
where does estradiol come from in males?
A
- sertoli cells
12
Q
where does testosterone come from in males?
A
- leydig cells
13
Q
where do inhibin and activin come from in males?
A
- sertoli cells
14
Q
where does estradiol come from in females?
A
- granulosa cells
- placenta
15
Q
where does progesterone come from in females?
A
- corpus luteum
- placenta
16
Q
where does testosterone come from in females?
A
- theca interna
17
Q
where does inhibin come from in females?
A
- granulosa cells
18
Q
where does activin come from in females?
A
- placental cells
- granulosa cells
19
Q
where does PGF2a come from in males?
A
- vesicular glands
20
Q
where does hCG come from in males?
A
- trophoblast of blastocyst (chorion)
21
Q
where does PGF2a come from in females?
A
- endometrium
22
Q
where does PGE2 come from in females?
A
- ovary
- uterus
- embryonic membranes
23
Q
where does hCG come from in females?
A
- trophoblast of blastocyst (chorion)
24
Q
where does eCG come from in females?
A
- chorionic girdle cells
25
where does placental lactogen come from in females?
- placenta
26
what is the target of GnRH in males and females?
- anterior pituitary
27
what is the target of LH in males?
- leydig cells in testis
28
what is the target of FSH in males?
- sertoli cells in testis
29
what is the target of prolactin in males?
- testis and brain
30
what is the target of oxytocin in males?
- smooth muscle cauda
- ductus deferens
- ampulla
31
what is the target of LH in females?
- theca interna and CL in ovary
32
what is the target of FSH in females?
- granulosa cells in ovary
33
what is the target of prolactin in females?
- mammary cells
- corpus luteum if you're a RAT
34
what is the target of oxytocin in females?
- myo/endometrium
- myoepithelial cells
35
what is the target of estradiol in males?
- brain
- - inhibits long bone growth
36
what is the target of testosterone in males?
- accessory sex glands
- tunica dartos
- seminiferous epithelium
- skeletal muscle
37
what is the target of inhibin and activin in males and females?
- anterior pituitary (gonadotrophs)
38
what is the target of estradiol in females?
- hypothalamus
- repro tract
- mammary gland
39
what is the target of progesterone in females?
- hypothalamus
- myo/endometrium
- mammary gland
40
what is the target of testosterone in females?
- brain
- skeletal muscle
- granulosa cells
41
what is the target of PGF2a in males?
- epididymis
42
what is the target of hCG in males?
- fetal testis
43
what is the target of PGF2a in females?
- CL
- myometrium
- ovulatory follicles
44
what is the target of PGE2 in females?
- CL
- oviduct
45
what is the target of hCG and eCG in females?
- ovary
46
what is the target of placental lactogen in females?
- mammary gland
47
what is the action of GnRH in females and males?
- increase FSH and LH
48
what is the action of LH in males?
- increase testosterone
49
what is the action of FSH in males?
- sertoli cell function
50
what is the action of prolactin in males?
- maternal behaviour
51
what is the action of oxytocin in males?
- PGF2a synthesis
- pre ejaculatory movement of sperm
52
what is the action of LH in females?
- ovulation
- CL function
- progesterone secretion
- follicle development
53
what is the action of FSH in females?
- follicle development
- estradiol synthesis
54
what is the action of prolactin in females?
- lactation
- maternal behaviour
- CL function in some species
55
what is the action of oxytocin in females?
- uterin motility
- PGF2a synthesis
- milk ejection
56
what is the action of estradiol in males?
- sexual behaviour
57
what is the action of testosterone in males?
- anabolic growth
- spermatogenesis
- secretions of accessory sex glands
58
what is the action of inhibin in males and females?
- decrease FSH
59
what is the action of activin in males and females?
- increase FSH
60
what is the action of PGF2a in males?
- affect metabolic activity of sperm
- epididymal contractions
61
what is the action of hCG in males?
- promote growth of fetal testis
62
what is the action of PGF2a in females?
- luteolysis
- uterine horn tone and contractions
- ovulation
63
what is the action of estradiol in females?
- sexual behaviour
- GnRH production
- secretory activity of tract
- uterine motility
64
what is the action of progesterone in females?
- endometrial secretion
- stop GnRH production
- stop reproductive behaviour
- maintain pregnancy
65
what is the action of testosterone in females?
- substrate for estrogen synthesis
- abnormal masculinization
66
what is the action of PGE2 in females?
- ovulation
- CL production of progesterone
67
what is the action of hCG in females?
- increase CL progesterone
68
what is the action of eCG in females?
- formation of accessory CL
69
what is the action of placental lactogen in females?
- mammary stimulation
