The integumentary system (which includes hair and nails) is often the first place that a serious vitamin deficiency shows up.
当维生素缺乏时，首先会变现在表皮系统（包括毛发和指甲）。
2
Result: the texture of integumentary cells, the shape and size of hair socket and bristle were important characters for species identification.
结果：可根据体壁细胞的纹理、毛窝的形态、大小及刚毛的特征进行区别。
3
It includes the cardiovascular, digestive, endocrine, urinary, immune, integumentary, lymphatic, muscular, nervous, reproductive, respiratory and skeletal systems.