From placento- + -genesis. <span class="searchmatch">placentogenesis</span> (uncountable) (anatomy) The process of development of a placenta....
amnio- (amnion) chorio- (chorion) English terms prefixed with placento- <span class="searchmatch">placentogenesis</span> placentology placentomegaly placentophagy placentopoiesis placentotrophic...