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...

Cotyledon :: Cotyledon (n.) One of the patches of villi found in some forms of placenta.

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

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

Placenta :: Placenta (n.) The vascular appendage which connects the fetus with the parent, and is cast off in parturition with the afterbirth..

Parietal :: Parietal (a.) Attached to the main wall of the ovary, and not to the axis; -- said of a placenta..

Placentae :: Placentae (pl. ) of Placent.

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

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

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

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

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

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

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..

Implacental :: Implacental (a.) Without a placenta, as marsupials and monotremes..

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..

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

Implacentalia :: Implacentalia (n. pl.) A primary division of the Mammalia, including the monotremes and marsupials, in which no placenta is formed..

Secundine :: Secundine (n.) The afterbirth, or placenta and membranes; -- generally used in the plural..

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..

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

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