CHAPTER 5: VOCABULARY Flashcards
(48 cards)
ovum
female germ cell
sperm
male germ cell
conception
ovum and sperm joining together
zygote
a fertilized egg formed at conception
ovaries
female reproductive glands
fallopian tubes
two hallow tubes that extend from the right and left sides of the uterus
uterus
the reproductive organ in which the baby develops and is protected until birth
cervix
the lower, narrow portion of the uterus that connects the uterus to the vagina
testes
reproductive glands
period of gestation
pregnancy
prenatal development
baby’s development that lasts approximately nine months
germinal stage
the beginning of the first stage of prenatal development
embryonic stage
second stage of prenatal development
embryo
the name of the baby during the embryonic stage
chorion
the outermost membrane that surrounds the baby in the uterus
amnion
a fluid-filled sac that surrounds the baby
placenta
an organ filled with blood vessels that nourishes the baby
umbilical cord
contains three blood vessels that connect the baby to the placenta
fetal stage
nine weeks and on of prenatal development
fetus
a baby during the fetal stage
quickening
the baby’s movements that are felt by the pregnant person
age of viability
the time from when a baby can survive if born early
genetic factors
a person’s inherited traits passed to them through the parents’ genes at conception
chromosomes
thread-like structures where the DNA is found