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...

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

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

Trophosperm :: Trophosperm (n.) The placenta.

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

Placentary :: Placentary (a.) Having reference to the placenta; as, the placentary system of classification..

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

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

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

Placental :: Placental (n.) One of the Placentalia.

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

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

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

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

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

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

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

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

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..

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

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..

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