Hair follicles, light micrograph

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Hair follicles, light micrograph

Hair follicles. Coloured light micrograph of a section through hairs of the human skin. Two hair shafts (circular structures) are seen embedded in the dermis (white & brown) of the skin. Epidermis (pink) surrounds each hair as an ingrowth of the skin surface. Hair consists of an outer cuticle layer of cells and an inner cortex (purple) that contains the pigment which gives hair its colour. The shaft also has a central core or medulla (brown) that may sometimes be hollow. Hair is made of the fibrous protein keratin. Most hair cells are dead except for a growing bulb region at the base of the hair shaft. Magnification: x170 when printed 10cm wide

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6423378

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Circular Cortex Cross Section Cuticle Dead Epithelial Epithelium False Colour Follicle Follicles Hairs Histological Histology Keratin Layers Medulla Purple Shaft Shafts Skin Slice Surface Transverse Cells False Coloured Light Micrograph Light Microscope Section

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