placentation
placentation · placentations
The local fusion of the embryonic stage of an animal to its parent for physiological…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.
Meaning
2 senses(countable, uncountable)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.
(countable, uncountable)The manner in which the seeds are attached to the placenta within the ovary locules.
Parietal placentation occurs in the Brassicaceae family.
arrangement of the ovules in the placenta and of the placentas in the ovary
Forms
plural: placentations| Singular | placentation |
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| Plural | placentations |
regular
Word family
1 related wordsDerivedmalplacentation
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable