Seminal vesicles secrete
prostaglandins - stimulate uterine/fallopian tube contractions
Prostate gland secretes
In what accessory gland do sperm gain motility and lose cytoplasm? And is a reservoir for sperm? Stabilize acrosome?
Which of the following gonadal hormones is NOT a negative inhibitor of the pituitary?
Which does NOT negatively feedback on hypothalamus?
Which of the following PROMOTES release of LH and FSH?
D. Continuous exposure to GnRH
E. Pulsatile exposure to GnRH
Whats the major regulator of FSH?
What's the major regulator of LH?
What does corpus luteum secrete?
Whats an acrosome on a spermocyte?
"A cap of membranes containing digestive enzymes"
Estradiol is carried by what binding protein?
Progesterone is transported in blood by what carrier protein?
What is the most hydrophilic hormone on this table?
What is the most hydrophobic hormone on this table?
what mechanism keeps the testes at the right temperature
counter-current heat exchange
What stage of spermatogenesis, does the acrosome form?
Formation of residual body occurs in what stage of spermatogenesis?
During spermiogenesis, developing sperm are attached to the sertoli cell via
Gametes are immunologically distinct from parent. It is protected from the parent immune system via
tight junctional border in testes
Prostaglandins, secreted from the seminal vesicles, promote
contraction of the uterus and fallopian tubes.
bodybuilders coming off steroids take
If spermatogenesis is TOO FAST, the developing germ cell release signals to Sertoli, which increase release of _____
inhibin which negatively regulates ant. pituitary release of FSH
If spermatogenesis is too slow, then sertoli cells secrete less ___________ which releases suppression of ant. pituitary to secrete _______
NO stimulates _________, producing cGMP that leads to vasodilation
Which vein collapses during erection, preventing blood outflow?
Superficial dorsal vein
Emission is under control of
sympathetic spinal reflex
give me an example of hypogonadotrophic hypogonadism
hyperprolactinemia (strong negative feedback of prolactin on hypothalamus)
give me 3 examples of incomplete androgen insensitivity
A. Testosterone receptor defect
B. Testosterone pathway defect
C. 5-alpha reductase deficiency
"egg shell" made of mucopolysaccharide immediately around oocyte formed by granulosa cells
granulosa cell that docks oocyte to wall of follicle
How does the graafian follicle grow?
Antral fluid increases as mucopolysaccharides depolymerize and pull water
How does the oocyte move into fallopian tubes
fimbrae sweep it in
corpus luteum secretes
if fertilization doesnt occur
main action of activin
stimulates FSH release
Which inhibin is from the dominant graafian follicle?
What inhibin is from the corpus luteum?
What is the rate limiting step in ovarian steroid biosynthesis
Cholesterol to pregnenalone via desmolase
What is E1
What is E2
Estradiol (dominant estrogen)