chapter 9 Flashcards
(139 cards)
gamete
mature germ cell (sperm, ovum)
ovulation
expulsion of a mature ovum from an ovary
conception, fertilization
beginning of pregnancy when sperm enters the ovum
fertilization normally occurs in uterine tubes
zygote
cell formed by the union of the sperm and ovum
embryo
unborn offspring in the stage of development from implantation of the zygote to the end of the eighth week of pregnancy
fetus
unborn offspring from the beginning of the ninth week of pregnancy until birth
gestation, pregnancy
development of a new individual from conception to birth
gestation period
duration of pregnancy (38-42wks)
implantation
embedding of the zygote in the uterine lining
7 days after fertilization
placenta, afterbirth
structure grows on wall of uterus during pregnancy allows for nourishment of the unborn child
amniotic, amnionic, sac
membraneous bag that surrounds the fetus before delivery
chorion
outermost layer of the fetal membrane
amnion
innermost layer of the fetal membrane
amniotic, amnionic, fluid
fluid within the amniotic sac, surrounding the fetus
amni/o, amnion/o
amnion, amniotic fluid
chori/o
chorion
embry/o
embryo, to be full
fet/o, fet/i
fetus, unborn child
gravid/o
pregnancy
lact/o
milk
nat/o
birth
omphal/o
umbilicus, navel
par/o, part/o
bear, give birth to, labor, childbirth
puerperhead/o
childbirth