Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
|
andropause-
|
mens version of menopause - might be caused by lower levels of testosterone
|
|
|
Inhibit inhibits what/
|
FSH onyl
|
|
|
Is estrogen always regulating other pathways by negative ?
|
no -- at sustained high levels it turns into positive feedback -- like right before LH surge
|
|
|
What sperm cell type is not protected by tight junctions
|
Spermatogonium
|
|
|
Where is sperm produced?
|
seminiferous tubules
|
|
|
What 2 cells are in seminiferous tubules? what do they secrete? and stimulated by
|
Leydig- secretes T stimulated by LH and Sertoli - stimulated by FSH and high T levels to make ABP
|
|
|
How to you keep testosterone in the testes?
|
Need both setolie and Leydig cells -- Sertolie makes the ABP and Leydig makes the testosteron - put them together and keep making more T
|
|
|
Where is sperm stored?
|
vas deferens
|
|
|
What is responsible for forming internal genitalia? external?
|
internal - T
external DHT |
|
|
What has an effect on bone growth?
|
estridiol - males need it too -from testosterone by armotase
|
|
|
What initiates spermatogensis?
|
FSH
|
|
|
uterus-
|
place for embryo housing and development
|
|
|
granulosa cells-
|
nurse cells to follicle
|
|
|
Where is the site of implantation?
|
endometrium
|
|
|
What is responsible for the LH surge?
|
the postive estrogen feed back on LH and GnRH
|
|
|
2 cell theory - What is required for estrogen synthesis?
|
1. LH on theca cells to make androstenedion
2. FSH on grandulosa cells to make estrogen by using aromatase |
|
|
What stage is dominate follicle?
|
still in prophase I until ovulation then metaphase II
|
|
|
Stages of menstrual cycle
|
1-14 Follicular
Ovulation 14-28 Luteal Phase |
|
|
What does the corpus leutum secrete?
|
progesterone and esteridial
|
|
|
Inhibin - secreted from
|
Granulosa and theca cells
|
