Follicles,Hair
《英文msh詞典》Follicles,Hair
[入口詞] Follicles,Hair
[主題詞] Hair Follicle
[英文釋義] A tube-like invagination of the EPIDERMIS from which the hair shaft develops and into which SEBACEOUS GLANDS open. The hair follicle is lined by a cellular inner and outer root sheath of epidermal origin and is invested with a fibrous sheath derived from the dermis. (Stedman,26th ed) Follicles of very long hairs extend into the subcutaneous layer of tissue under the SKIN.