Definitions for placental
Random House Webster's College Dictionary
pla•cen•ta*pləˈsɛn tə(n.)(pl.)-tas, -tae
the organ in most mammals, formed in the lining of the uterus by the union of the uterine mucous membrane with the membranes of the fetus, that provides for the nourishment of the fetus and the elimination of its waste products.
Category: Anatomy, Zoology
the part of the ovary of flowering plants that bears the ovules. (in ferns and related plants) the tissue giving rise to sporangia.
Category: Botany
* (-tē)..
Origin of placenta:
1670–80; < NL: something having a flat, circular form, L: a cake < Gk plakóenta, acc. of plakóeis flat cake, der. of pláx (gen. plakós) flat
pla•cen′tal(adj.)
Princeton's WordNet
placental, placental mammal, eutherian, eutherian mammal(adj)
mammals having a placenta; all mammals except monotremes and marsupials
placental(adj)
pertaining to or having or occurring by means of a placenta
"all mammals except monotremes and marsupials are placental mammals"
Wiktionary
placental(Noun)
Any animal that is a member of the Placentalia
placental(Adjective)
Of or pertaining to the placenta, or to the Placentalia
placental(Adjective)
Having a placenta
Webster Dictionary
Placental(adj)
of or pertaining to the placenta; having, or characterized by having, a placenta; as, a placental mammal
Placental(adj)
of or pertaining to the Placentalia
Placental(noun)
one of the Placentalia
Citation
Use the citation below to add this definition to your bibliography:
"placental." Definitions.net. STANDS4 LLC, 2013. Web. 20 May 2013. <http://www.definitions.net/definition/placental>.