reproduction slides Flashcards
memorize
Pregnancy
carrying a fetus
Fertilization
the union of the egg and sperm nuclei
Conception
occurrence of fertilization
Ovulation
release of an ovule from the female
Gestation
the time from fertilization or conception of a female until she gives birth
Ovaries
female reproductive gland in which eggs are formed and hormones are produced
Egg or Ovule
female reproductive cell
Testes
male reproductive gland that produces sperm and testosterone
Sperm
male reproductive cell
Semen
fluid that carries sperm
Vulva
opening of reproductive tract
Vagina
channel for birth and copulation
Cervix
divides vagina and uterus
Uterus
where fetus grows and receives nourishment
Fallopian Tube
where fertilization occurs
Ovaries
produces eggs and hormones
Testes
produce sperm and testosterone
Epididymis
collects and stores sperm
Vas Deferens
transports sperm
Penis
places sperm in female
Scrotum
protects testes and maintains temp
Sheath
opening of reproductive tract
Estrous Cycles
-Time between periods of estrus or heat
-Often influenced by of hours of light in the day
Estrus(Estrous Cycles 1)
“also known as heat” the period of time when female is receptive to male and conception can occur
Mestestrus(Estrous Cycles 2)
“follows estrus” usually when ovulation occurs
Diestrus(Estrous Cycle 3)
period of cycle when system assumes pregnancy
Proestrus(Estrous Cycle 4)
if not pregnant, body prepares to begin cycle again
Gestation
-length of pregnancy
- begins with fertilization and ends with parturition(birth)
-all animals have different gestation length, usually the larger the animal , the longer the gestation
Parturition
the act of giving birth
Stage 1 of parturition
preparatory stage(labor)
Stage 2 of parturition
delivery of fetus
Stage 3 of parturition
explusion of the placenta
Stage 4 of parturition
period of rest
Dystocia
difficulty giving birth
Artificial Insemination steps
Step 1- Collect and store semen on straws with liquid nitrogen
Step 2- Manually inject semen into female reproductive tract at correct stage of estrus
