pltw bi -external anatomy of fetal pig

dorsal side

top side or above

ventral side

lower side or below

anterior

toward the head or front

posterior

toward the tail or rear

lateral

toward the side

medial

toward the midline of the body; on the inner side of

proximal

near a point of reference

distal

away from a point of reference

mammary papillae (teats)

nipples found on the abdomen of BOTH males & females; in females, connect to mammary glands & supply milk to baby

umbilical vein

delivers oxygenated blood from the placenta to the fetus

umbilical artery

carries deoxygenated blood from fetus to placenta

allantoic duct

elongated duct that contributes to development of the umbilical cord and placenta during the first trimester

external genitalia

sex, or reproductive, organs visible on the outside of the body; also called genitals

scrotum

sac that regulates the temperature of the testes

urogenital opening

the opening where waste and reproductive fluid is expelled. the common outlet of excretion and reproduction systems

umbilical cord

a tube containing the blood vessels connecting the fetus and placenta

genital papilla

a small projection near the urogenital opening in females