Last Updated：2025/11/20

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

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cotyledon

Source Word

cotyledon

IPA(Pronunciation)

Noun

Japanese Meaning

反芻動物や一部哺乳類の胎盤における、胎児側の絨毛が集まって形成される部分。

During the autopsy of the cow's placenta, the veterinarian carefully examined each cotyledon for signs of infection.

牛の胎盤を解剖した際、獣医は感染の兆候を確認するために、胎児絨毛の塊である胎盤小葉を一つ一つ注意深く調べた。

Sense（1）

Forced to apply animal findings to humans, his human womb also had cotyledons like a dog's.

Sense（2）

cotyledons

（ plural ）