in utero Flashcards
gestational age
refers to the length of pregnancy after the first day of the last menstrual period.
conception age
refers to the length of pregnancy to time of conception
ovulation
the ejection of a mature egg from the ovary into the fallopian tube.
fallopian tube
a pair of tubes along which eggs travel from the ovaries to the uterus
cleavage
the process in which a zygote replicates and splits to become two identical cells.
implantation
the attachment of the fertilized egg or blastocyst to the wall of the uterus.
placenta
an organ that forms in the womb, provides oxygen and nutrients to a developing baby.
endometrium
the uterine wall
hCG hormone`
the hormone that is identified through pregnancy tests. released into the urine of the female after implantation.
umbilical cord
a cord that connects the fetus to the placenta and transfers oxygen and nutrients to the fetus.
lanugo
a soft and short layer of hair covering the body of the fetus for a short period.
vernix caseosa
a white protective coating which forms on the skin of the fetus to protect it from amniotic fluid.
moro reflex
reflex for an infant when they feel like they’re falling.
surfactant
a substance which allows the air sacs in the lungs to inflate and deflate without collapsing and sticking.
colostrum
the milk produced by the body during pregnancy
Braxton-Hicks contractions
a tightening of the muscles surrounding the uterus, leading a mother to think labor may be starting but are different from labor contractions.
