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placentation. In DICTIOUS you will not only get to know all the dictionary meanings for the word
placentation, but we will also tell you about its etymology, its characteristics and you will know how to say
placentation in singular and plural. Everything you need to know about the word
placentation you have here. The definition of the word
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English
Etymology
From placenta + -ation.
Noun
placentation (countable and uncountable, plural placentations)
- (biology) The local fusion of the embryonic stage of an animal to its parent for physiological exchange to promote the growth and development of the young; involves a placenta in non-egglaying mammals.
2004, “Placentation in species of phylogenetic importance: the Afrotheria”, in Animal Reproduction Science:Specialized hemophagous regions are a striking characteristic of some of these placentas yet absent in hyraxes, elephant shrews, and golden moles. It is possible that the common ancestor of the Afrotheria had an endotheliochorial placenta.
- (botany) The manner in which the seeds are attached to the placenta within the ovary locules.
- Hyponyms: parietal placentation, axile placentation, free central placentation
Parietal placentation occurs in the Brassicaceae family.
French
Pronunciation
Noun
placentation f (plural placentations)
- placentation
Further reading