12.5 female reproductive organs and related terms

a normal interval of ovarian quiescence and sexual inactivity in species such as the dog that do not cycle continuously. Anestrus is abnormal in polyestrous species such as the cow

neck of uterus

small mound of erectile tissue similar to the male penis

body (plural)

the white scar tissue resulting from the regression of a corpus luteum

yellow body formed by graafian follicle that has discharged its ovum (luteum means yellow)

a short period of sexual quiescence between two estrus periods during which the uterus is prepared for a fertilized ovum

fertilized ovum implanted outside uterus, most commonly in uterine tupe (ectopic means out of normal position)

mucous membrane lining cervical canal or opening of cervix into uterus

mucous membrane lining uterus

the recurring set of physiological and behavioral changes that take place from one period of estrus to another

the periodic state of sexual excitement that immediately precedes ovulation, during which the female is most receptive to mating (also called heat period or being in heat)

fringe-like process at ends of uterine tubes over ovaries

mature ovarian follicles

fold of mucous membrane partially blocking vaginal orifice

funnel at end of uterine tube (oviduct) that catches ovum

milk-producing organs of mammals

the period of sexual inactivity that follows estrus, during which the corpus luteum forms

middle, muscular coat of uterus

mouth; internal os is opening from cervix into cervical canal; external os is opening from cervical canal into vagina

femal reproductive cell (plural)

female gland that produces ova or eggs

the period immediately before estrus, characterized by development of the endometrium and ovarian follicles

pair of tubes extending from the uterus to the ovary on each side, which pick up and convey expelled ova to the uterus (also called fallopian tubes or oviducts)

thick-walled, hollow organ in pelvic cavity of female that houses and nourishes embryo and fetus

membrane containing fetus floating in amniotic fluid

outermost layer of placenta

pregnancy (cyema means embryo)

mucosa of uterus thrown off after birth

outer of three germ layers of embryo

early developing stage of organism

innermost of three germ layers of the embryo

developing offspring

pregnant

ducts that carry the milk secretions of udder to and through teats

middle of three germ layers of embryo, lying between ectoderm and endoderm

newborn

umbilicus

process of giving birth

vascular fetal organ within uterus that connects fetus to mother by way of umbilical cord for exchange of nutrients, oxygen, antibodies, and waste products

presenting part of fetus at birth

false pregnancy

communication channel between placenta and fetus

scar that marks site of connection of umbilical cord in the fetus (also called omphalus or navel)

fertilized ovum