Flashcards in Reproductive Physiology Deck (42):
Defined by sex chromosome
Defined by presence of ovaries/testes
Defined by characteristics of internal genital tract & external genitalia
Secreted by Sertoli cells to cause atrophy of Mullerian ducts
Secreted by Leydig cells for growth of Wolffian ducts
Which substance is suspected to initiate puberty?
What conditions may inhibit onset of puberty?
What is the first event in male puberty?
What is the first event in female puberty?
Which hormone causes adrenarche (pubic hair, axillary hair development) in females?
Sperm maturation, motility
Sperm nutrition (fructose, prostaglandins)
Semen alkalinity (spermine)
1-2 degree celcius cooler
Responsible for testes temperature
Countercurrent exchange of the testicular vessels
Duration of spermatogenesis
Sperm production per day
"Activation" of sperm in the female genital tract for 4-6 hrs
What is the enzyme that convert androstenidione to testosterone?
17-B Hydroxysteroid dehydrogenase
What is the enzyme that convert testosterone to androstenidione?
What is the 5a reductase inhibitor used for male pattern baldness & BPH?
Cell which determines sex of baby
Part of the sperm cell that contains hyaluronidase, proteolytic enzymes
Acrosome comes from which organelle?
Definition of low sperm count
<20 million sperms/mL
Sequela of cryptorchidism
Infertility, testicular CA
Loss of body hair, musculature, thick bones, decreased libido
Castration after puberty
Vestigeal remnant of the 3rd eye; secretes melatonin which is involve in reproduction & sex drive
Produced by ovarian granulosa cell & inhibits FSH secretion from anterior pituitary
Produced by ovarian granulosa cell & stimulates FSH secretion from anterior pituitary
Average age of menarche
Average age menopause
Number of lifetime mature follicles
Peak of sexual desire
Just before ovulation
Helps in fertility
Fertilized ovum implanting on uterus
Sperm has ____ to fertilize the egg
Egg has _______ to be fertilized