cervix
The narrow necklike passage forming the lower end of the uterus
artificial insemination
The injection of semen into the uterus other than by natural mating.
copulation
the mating of a male and female
corpus luteum
a reddish-yellow mass that forms in a ruptured follicle in the ovary of mammals; the hormone progesterone is released by it.
diestrus
A period of sexual inactivity between recurrent periods of estrus
embryo transfer
moving an embryo from one female animal to another of the same species
estrus cycle
the time between periods of estrus
estrous synchronization
Using synthetic hormones to make a group of females come in heat at the same time
estrus
the time during which the female will accept the male for copulation; also referred to as being "in heat
follicle
a small blister-like development on the surface of the ovary that contains the developing ovum
follicle stimulating hormone
a hormone produced by the pituitary gland that promotes growth of ovarian follicles in the female and sperm in the male
gestation
the time during which the animal is pregnant
hormone
an organic material given off by a body gland that helps regulate body functions
metestrus
-the luteal phase of the reproductive cycle in mammalian females, occurring after ovulation and characterized by development of the corpus luteum, increased progesterone secretion, and decreased estrogen secretion.
ovary
A female reproductive organ in which ova or eggs are produced
ovulation
the release of the egg from the ovary
oxytocin
a hormone that causes contractions of the uterus during breeding and parturition and causes milk letdown
parturition
the act of giving birth
penis
The male genital organ of higher vertebrates, carrying the duct for the transfer of sperm during copulation.
proestrus
The period immediately before estrus in most female mammals, characterized by development of the endometrium and ovarian follicles
progesterone
a hormone produced by the ovaries that maintains pregnancy in the animal
scrotum
A pouch of skin containing the testicles
superovulation
the stimulation of more than the usual number of ovulations during a single estrous cycle due to the injection of certain hormones
testis
An organ that produces spermatozoa
testosterone
a male hormone that controls the traits of the male animal
uterus
The organ in the lower body of a female mammal where offspring are conceived and in which they gestate before birth
vagina
The muscular tube leading from the external genitals to the cervix of the uterus
zygote
a cell formed by the union of two gametes
estrogen
a hormone produced by the ovaries