Reproductive Flashcards
Defined by sex chromosomes
Genetic sex
Defined by presence of testes/ovaries
Gonadal sex
Defined by characteristics of internal genital tract and external genitalia
Phenotypic sex
Internal genital tract: males
Prostate, seminal vesicle, bas deferens, epididymis
Internal genital tract: females
FT, uterus, upper 1/3 vagina
External genitalia: males
Scrotum, penis
External genitalia: females
Clitoris, labia minora, majora & lower 2/3 vagina
Secreted by sertoli cells to cause atrophy of mullerian ducts
Antimullerian hormone
Secreted by leydig cells for growth of wolffian ducts
Testosterone
Which substance is suspected to initiate puberty?
Melatonin
What conditions may inhibit the onset of puberty?
Stress, Malnutrition
What is the first event in puberty?
Males: Testicular EnlargementFemales: Breast Enlargement
Which hormone causes adrenarche (pubic hair, axillary hair development) in females?
Adrenal androgens
For sperm production
Seminiferous tubules
For sperm maturation, motility
Epididymis
For sperm storage
Vas deferens
For sperm nutrition
Seminal vesicle
For semen alkalinity
Prostate gland
Supplies mucus
Urethral glands, Bulbourethral glands
Testes temperature
1-2 degree celsius cooler
Responsible for testes temperature
Countercurrent exchange testicular blood vessels
Duration of spermatogenesis
64 days
Sperm production per day
128 million
“Activation” of sperm in the female; Genital Tract for 4-6 hours
Capacitation