cotyledon

n. 子叶, 寇太来顿属植物 [医] 绒毛叶; 子叶(植物)

发音

UK /ˌkɒt.ɪˈliː.dən/
其它
US /ˌkɑt.əˈliː.dən/

词形变化

cotyledons 复数 cotyledons

释义与例句

n.
  1. 1.

    Each of the patches of villi on the foetal chorion in the placenta of ruminants and some other mammals.

    医学
  2. 2.

    The leaf of the embryo of a seed-bearing plant; after germination it becomes the first leaves of the seedling.

    生物 植物学

词汇关系

名词

同义词 1

seed leaf

上位词 1

cataphyll

相关短语

coconut cotyledon

词源

From Latin cotylēdōn, from Ancient Greek κοτυληδών (kotulēdṓn, “cup-shaped cavity”), from κοτύλη (kotúlē, “cup”).

来源：wiktionary