Last Updated：2025/11/21
(medicine) A form of milk produced by the mammary glands in late pregnancy and the few days after giving birth. Human and bovine colostrum is thick and yellowish. In humans, it has high concentrations of nutrients and antibodies, but it is small in quantity.
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colostrum
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Source Word
colostrum
IPA(Pronunciation)
Noun
uncountable
usually
Japanese Meaning
初乳。出産直前または出産直後に母の乳腺から分泌される、濃厚で黄みがかった乳で、豊富な栄養素や抗体を含む。
Sense（1）
（ plural ）
