释义 |
DictionarySeecirculationEncyclopediaSeeCirculationplacental circulation
pla·cen·tal cir·cu·la·tionthe 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. |