The dermal papilla is implicated in controlling the hair growth cycle, be capable of inducing follicle development from the epidermis and production of hair fiber.

• 培养早期，毛乳头细胞能诱导毛发体外生长，但进一步培养，该特性消失。毛发生长受到毛囊细胞与间叶上皮细胞间相互作用的调节。