pla·cen·ta (pl -s n t )n. pl. pla·cen·tas or pla·cen·tae (-t ) 1. a. A membranous vascular organ that develops in female mammals during pregnancy, lining the uterine wall and partially enveloping the fetus, to which it is attached by the umbilical cord. Following birth, the placenta is expelled. b. An organ with similar functions in some nonmammalian animals, such as certain sharks and reptiles. 2. Botany The part within the ovary of a flowering plant to which the ovules are attached.
[New Latin, from Latin, flat cake, alteration of Greek plakoenta, from accusative of plakoeis, flat, from plax, plak-, flat land, surface; see pl k-1 in Indo-European roots.]
pla·cen tal adj. |
placenta [plass-ent-a] Noun
pl -tas or -tae the organ formed in the womb of most mammals during pregnancy, providing oxygen and nutrients for the fetus [Latin, from Greek plakoeis flat cake]
placental adj
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | placenta - that part of the ovary of a flowering plant where the ovules formovary - the organ that bears the ovules of a flower |
| 2. | placenta - the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetusuterus, womb - a hollow muscular organ in the pelvic cavity of females; contains the developing fetus afterbirth - the placenta and fetal membranes that are expelled from the uterus after the baby is born |
Translations
placenta [pləˈsɛntə] n →
placenta m
placenta [pləˈsɛntə] n →
Plazenta f
placenta [pləˈsɛntə] n →
placenta