Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of placenta is as below...

Polycotyledonary :: Polycotyledonary (a.) Having the villi of the placenta collected into definite patches, or cotyledons..

Placental :: Placental (a.) Of or pertaining to the Placentalia.

Spermaphore :: Spermaphore (n.) That part of the ovary from which the ovules arise; the placenta.

Placentiform :: Placentiform (a.) Having the shape of a placenta, or circular thickened disk somewhat thinner about the middle..

Trophosperm :: Trophosperm (n.) The placenta.

Zonaria :: Zonaria (n. pl.) A division of Mammalia in which the placenta is zonelike.

Placentiferous :: Placentiferous (a.) Having or producing a placenta.

Funicle :: Funicle (n.) The little stalk that attaches a seed to the placenta.

Placental :: Placental (a.) Of or pertaining to the placenta; having, or characterized by having, a placenta; as, a placental mammal..

Lissencephala :: Lissencephala (n. pl.) A general name for all those placental mammals that have a brain with few or no cerebral convolutions, as Rodentia, Insectivora, etc..

Placentation :: Placentation (n.) The mode in which the placenta is arranged or composed; as, axile placentation; parietal placentation..

Monodelphia :: Monodelphia (n. pl.) The group that includes all ordinary or placental mammals; the Placentalia. See Mammalia.

Placenta :: Placenta (n.) The part of a pistil or fruit to which the ovules or seeds are attached.

Placentation :: Placentation (n.) The mode of formation of the placenta in different animals; as, the placentation of mammals..

Implacental :: Implacental (n.) A mammal having no placenta.

Aplacental :: Aplacental (a.) Belonging to the Aplacentata; without placenta.

Aplacentata :: Aplacentata (n. pl.) Mammals which have no placenta.

Acetabulum :: Acetabulum (n.) One of the lobes of the placenta in ruminating animals.

Marsupialia :: Marsupialia (n. pl.) A subclass of Mammalia, including nearly all the mammals of Australia and the adjacent islands, together with the opossums of America. They differ from ordinary mammals in having the corpus callosum very small, in being implacental, and in having their young born while very immature. The female generally carries the young for some time after birth in an external pouch, or marsupium. Called also Marsupiata..

Metadiscoidal :: Metadiscoidal (a.) Discoidal by derivation; -- applied especially to the placenta of man and apes, because it is supposed to have been derived from a diffused placenta..

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