Word.ws English Dictionary

placentations

placentations is the plural of placentation.

Meaning of placentation

Noun

placentation (countable and uncountable, plural placentations)

  1. 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.
    • 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.2004, “Placentation in species of phylogenetic importance: the Afrotheria”, in Animal Reproduction Science
  2. The manner in which the seeds are attached to the placenta within the ovary locules.
    • Parietal placentation occurs in the Brassicaceae family.

Questions about placentations

What is placentations the plural of?
Placentations is the plural of placentation.

Words near placentations in the dictionary

  1. placentarium
  2. placentary
  3. placentas
  4. placentate
  5. placentation
  6. placentations
  7. Placentia
  8. Placentia Bay
  9. placenticeratid
  10. placenticeratids
  11. placentiferous

Source and license

Adapted from Wiktionary: placentations (page history and authors); placentation (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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