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...

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..

Decidua :: Decidua (n.) The inner layer of the wall of the uterus, which envelops the embryo, forms a part of the placenta, and is discharged with it..

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

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

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

Placentae :: Placentae (pl. ) of Placent.

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

Ovule :: Ovule (n.) The rudiment of a seed. It grows from a placenta, and consists of a soft nucleus within two delicate coatings. The attached base of the ovule is the hilum, the coatings are united with the nucleus at the chalaza, and their minute orifice is the foramen..

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

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

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

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

Cotyledonary :: Cotyledonary (a.) Having a cotyledon; tufted; as, the cotyledonary placenta of the cow..

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

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

Afterbirth :: Afterbirth (n.) The placenta and membranes with which the fetus is connected, and which come away after delivery..

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..

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

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

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