正如刚刚所说，脐带在胎儿出生不久后就失去了运输血液的功能，逐渐萎缩、退化变成解剖上称为“韧带”的纤维条索，根据另一端连接部位的不同又分为肝圆韧带、脐内侧韧带、脐膀胱韧带等。
“肚脐不能洗不能抠”，对于刚出生的婴儿来说，是有一定道理的。因为这个时候肚脐还连着没有完全失去功能的部分血管，护理不当可能诱发脐炎等问题。
但是
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