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tou fa yu jian kang
Author(s): 
Pages: 49
Year: Issue:  5
Journal: Occupation and Health

Keyword:  头发脱落毛乳头毛细血管生长毛球营养成分身心健康毛囊毛根科学家;
Abstract: <正> 人头发为前额、两耳和后颈以上生长的毛发,在皮肤表面以上部分称为毛干,在毛囊内部分称为毛根,毛根下段膨大部分称为毛球,突入毛球底部的部分称为毛乳头。毛乳头含有丰富的毛细血管和神经,以维持头发的营养和生长。
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