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...

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

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

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

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

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

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

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

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

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

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..

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

Placentalia :: Placentalia (n. pl.) A division of Mammalia including those that have a placenta, or all the orders above the marsupials..

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

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

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..

Sporophore :: Sporophore (n.) A placenta.

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

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

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

Trophosperm :: Trophosperm (n.) The placenta.

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