external root sheath造句

例句与造句

1. Within the pilosebaceous unit, S100A15 is found in the inner and external root sheath and the basal layer of the sebaceous gland.
2. The hot petrolatum used with the iron was thought to cause a chronic inflammation around the upper segment of the hair follicle leading to degeneration of the external root sheath.
3. It's difficult to find external root sheath in a sentence. 用external root sheath造句挺难的