cotyledon
See also: cotylédon
English
editEtymology
editFrom Latin cotylēdōn, from Ancient Greek κοτυληδών (kotulēdṓn, “cup-shaped cavity”), from κοτύλη (kotúlē, “cup”).
Pronunciation
edit- (UK) IPA(key): /ˌkɒt.ɪˈliː.dən/
Audio (Southern England): (file)
- (General American) IPA(key): /ˌkɑt.əˈliː.dən/
- Rhymes: -iːdən
Noun
editcotyledon (plural cotyledons)
- (physiology) Each of the patches of villi on the foetal chorion in the placenta of ruminants and some other mammals.
- 1997, Roy Porter, The Greatest Benefit to Mankind, Folio Society, published 2016, page 72:
- Forced to apply animal findings to humans, his human womb also had cotyledons like a dog's.
- (botany) The leaf of the embryo of a seed-bearing plant; after germination it becomes the first leaves of the seedling.
Synonyms
edit(botany): seed leaf
Derived terms
editDerived terms
Translations
editpatch of vili on the foetal chorion of some mammals
leaf of the embryo of a seed-bearing plant
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