哺乳lactation

互联网2013-11-14

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　　以乳哺育其子称为哺乳。哺乳是母亲的泌乳、授乳和子的吸乳行为为必要条件。初生儿对其所接触之物均具有吸吮本能，但一般在数日之内便对特定的母亲确立吸乳行为。哺乳期间母亲显有母性行为以保护其子。大部分动物，由吸乳刺激促进生乳素的分泌是持续泌乳的重要因素。泌乳量与乳儿数成比例地增加，所以随乳儿的发育和吸乳次数减少而乳的分泌量也减少。

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