scapus pili
英
美
网络 毛干
双语例句
- It is considered by modern medical theory that poliosis is originated from hypofunction of menalocyte forming melanin in bulbus pili, reduction and loss of tyrosinase activity and lack of melanin in scapus pili.
现代医学认为：白发是因毛球中黑素细胞形成黑色素的功能减退、酪氨酸酶的活性减低或丧失、毛干中缺乏黑色素而引起。