noun🔗ShareEach of the patches of vili on the foetal chorion in the placenta of ruminants and some other mammals."The veterinarian pointed to the image of the cow's placenta and explained that each cotyledon helps provide nutrients from the mother to the developing calf. "organismanimalanatomyphysiologybiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareThe leaf of the embryo of a seed-bearing plant; after germination it becomes the first leaves of the seedling."The young bean sprout pushed through the soil, revealing its two cotyledons, small leaves that provided initial nourishment before true leaves developed. "plantbiologyseednatureagricultureChat with AIVocabulary GamePractice Reading
