PLACENTA • DICTIONARY ONE.COM • Definition of Placenta

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/pləsˈɛntə/ Listen

Placenta

noun

(pl. L. placentae, E. placentas)

That part of the ovary of a flowering plant where the ovules form.

The vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus.

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Etymology of 'Placenta'

Related searches:

placenta previa

Placuna placenta

placental

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"Placenta" Quotes from Famous Books

... extract sufficient moisture, and has acquired leaves to convert it into nourishment. In some plants these lobes rise from the earth and supply the place of leaves, as in kidney-beans, cucumbers, and hence seem to serve both as a placenta to the foetus, and lungs to the young plant. During the process of germination the starch of the seed is converted into sugar, as is seen in the process of malting barley for the purpose of brewing. And is on this account very similar to the digestion of food in the stomachs of animals, ...

— The Botanic Garden - A Poem in Two Parts. Part 1: The Economy of Vegetation • Erasmus Darwin

... time. I have paid dearly for this experience also. I believe hove to be another cause of abortion; and that particular atmospheric conditions have a good deal to do with it. The skilful veterinary surgeon should be consulted; he will probably recommend physic to cool the system, the foetus and placenta to be buried, the animal separated, and the cow-house disinfected. The cow should be fattened and sold, unless she be a very valuable breeding animal, as the chances are that she will slink again. I ...

— Cattle and Cattle-breeders • William M'Combie

Words linked to "Placenta" : afterbirth, caul, veil, reproductive structure, vascular structure, ovary, uterus, embryonic membrane, Placuna placenta, womb, placental