definitions Flashcards
1
Q
endoderm
A
inner layer
2
Q
mesoderm
A
middle layer
3
Q
ectoderm
A
outer layer
4
Q
amniotic sac
A
water tight sac around the embryo/fetus helps cushion
5
Q
placenta
A
the organ that transfers nutrients from mother to baby, and transfers water from the baby
6
Q
umbilical cord
A
the flexible cord that contains blood vessels and connects the baby to the placenta
7
Q
lanugo
A
fine hair, especially that which covers the body and limbs of a human fetus or newborn
8
Q
vernix
A
waxy white substance; a protective coating that forms on baby’s skin in utero
