reproduction. broad ligament suspends the female reproductive tract in the pelvic cavity has three...
TRANSCRIPT
Ovary• release ova- egg• 50,000 - 150,000 potential eggs
present at birth• release hormones• progesterone• estrogen
Uterus• passageway for sperm cells from
cervix to oviduct
• produce histotroph - nourishes developing embryo until placenta forms
• expel fetus at parturition
Cervix• located between uterus and vagina
• forms a barrier between the internal and external environment
• thick walled, many ringed organ
Vagina
• point where urinary and reproductive tracts join
• receptacle for semen
• passageway for fetus
Male Reproductive Tract
• Testes - male gonad
• located externally in scrotum except in birds
• produce sperm
• produce male hormone - testosterone
Scrotum
• thermal regulatory organ
• temperature control necessary for sperm production
• cannot occur at body temperature
Scrotum
• heat can cause infertility
• spermatogenesis - maturation of sperm cells - takes about 50 days
Epididymis
• 10 - 15 days for the sperm cells to pass through the epididymis
• Functions -
• maturation of sperm cells
• storage of sperm cells