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51.3 terms

51.3

TermDefinition
amniotic sac the sac formed by the amnion
afterbirth the remains of the placenta and the membranes, which are expelled from the mother's body following birth
blastocyst the modified blastula stage of mammalian embryos
chorionic villus fingerlike projections of the chorion that extend into the uterus lining
embryo an organism in an early stage of development of plants and animals; in humans, a developing individual is referred to as an embryo from the second through eighth week of pregnancy
fetus a developing human during the period from the eighth week after fertilization until birth
gestation in mammals, the process of carrying young from fertilization to birth
human chorionic gonadotropin a hormone that is secreted by the placenta and that stimulates ovulation and secretion of progesterone or testosterone
implantation the process by which the newly fertilized egg in the blastocyst stage embeds itself in the lining of the uterus
labor the process by which the fetus and placenta come out of the uterus
pregnancy
placenta
trimester
umbilical cord
Created by: Addaleigh
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