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人体皮肤上的汗腺总数约有200～500万个,平均330多万个,其密度为每平方厘米95～342个,分布最密的部位是手掌及足底部,颜面头部次之,躯干部及四肢最少。但不是所有汗腺都有排汗功能,有排汗功能的称为能动汗腺,这种汗腺功能大约在出生后两年半内完成,一般人有178～276万个。汗腺有大汗腺和小汗腺两种。大汗腺主要分布在腋
Sweat glands on human skin, the total number of about 200 to 5 million, an average of more than 3.3 million, the density of 95 to 342 per square centimeter, the distribution of the most dense parts of the palms and feet at the bottom, followed by facial head, trunk And the least limbs. However, not all sweat glands have a perspiration function, perspiration function known as active sweat glands, this sweat gland function is completed within about two and a half years after birth, the average person has 178 ~ 2760000. Sweat glands have sweat glands and sweat glands two. Apocrine gland mainly in the axillary