placental circulation


pla·cen·tal cir·cu·la·tion

the circulation of blood through the placenta during intrauterine life, serving the needs of the embryo and fetus for aeration, absorption, and excretion; also, maternal circulation through the intervillous space of the placenta.

pla·cen·tal cir·cu·la·tion

(plă-sen'tăl sĭr'kyū-lā'shŭn) The circulation of fetal blood through the placenta during intrauterine life, serving the needs of the fetus for aeration, absorption, and excretion; also, there is circulation of maternal blood through the intervillous space of the placenta.