Stem cells in the matrix at the base of the follicle 8, or hair bulb, generate the cells of the forming hair shaft and inner root sheath, which are displaced through the surrounding outer root ...

Tumors of the pilosebaceous unit can occur in isolation or in combination with complex proliferations showing multilineal differentiation patterns encompassing those of sweat ducts, epidermis and ...

In normal skin, the expression of TRPS1 is found in outer root sheath, sebocytes and matrical cells of the hair follicle, as well as the inner luminal cells of eccrine glands. Cutaneous tumors with ...