Anatomy, Hair Follicle - StatPearls - NCBI Bookshelf
2024年6月22日 · The pilosebaceous unit is the hair follicle's structural unit, comprised of the hair follicle and its associated sebaceous gland and arrector pili muscle (see Image. The Common Integument, Section of Skin). The hair follicle originates from the surface of the epidermis.
Sebaceous gland - Wikipedia
One or more glands may surround each hair follicle, and the glands themselves are surrounded by arrector pili muscles, forming a pilosebaceous unit. The glands have an acinar structure (like a many-lobed berry), in which multiple glands branch off a central duct.
Pilosebaceous Unit - an overview | ScienceDirect Topics
The pilosebaceous unit functions as a sensory organ, in protection from the external environment and in dispersion of sweat. Cells found in the bulge region of the outer root sheath of the hair follicle are also thought to function as a reservoir of epithelial stem cells.
Morphology and Histology of the Pilosebaceous Unit
2022年1月11日 · The pilosebaceous unit is a complex mini-organ consisting of three anatomic components: hair follicle, sebaceous gland, and arrector pili muscle. The proportions of these components vary among the different types of hair follicles.
Histology, Skin Appendages - StatPearls - NCBI Bookshelf
2023年4月24日 · The skin appendages include sweat glands, nails, and the pilosebaceous unit of the skin, comprised of the hair shaft, hair follicle, sebaceous gland, and arrector pili muscle — these appendages derive from a down growth of the …
Histology, Hair and Follicle - StatPearls - NCBI Bookshelf
2023年5月1日 · The infundibulum is the portion from the invagination of the epidermis to the level of opening of the sebaceous gland. The infundibulum is part of the pilosebaceous unit where sebum is expressed. The isthmus extends deeper to …
Anatomy, Hair Follicle - PubMed
2024年6月22日 · The pilosebaceous unit is the hair follicle's structural unit, comprised of the hair follicle and its associated sebaceous gland and arrector pili muscle (see Image. The Common Integument, Section of Skin). The hair follicle originates from the surface of the epidermis.
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