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English: The following video shows a cross-section of the hair follicle where hair grows, hair growth from its initial phase and the basic structure of a hair. 1. Hair follicle 2. Veins 3. Arteries 4. Hair bulb 5. Follicle papilla 6. Mother cells 7. Cells (without core) 8. Cells (extended) 9. Sebum 10. Sebaceous gland 1a. Cuticle 2a. Cortex 3a ...
hair follicles visual identification under magnification common worldwide head-to-head contact Body louse – Pediculosis Pediculus humanus humanus: skin visual identification under magnification (Vagabond's disease) common worldwide skin-to-skin contact such as sexual activity and via sharing clothing or bedding Crab louse –Phthiriasis ...
English: The following video shows the three hair growing phases (anagen, catagen and telogen). Anagen phase: is the growth phase, hair grows from the root. Catagen phase: is the transition phase, the hair follicle shrinks and detaches from the skin. Telogen phase: is the resting phase, during wich a new follicle begings development
There are many structures that make up the hair follicle. Anatomically, the triad of hair follicle, sebaceous gland and arrector pili muscle make up the pilosebaceous unit. [1] A hair follicle consists of : The papilla is a large structure at the base of the hair follicle. [4] The papilla is made up mainly of connective tissue and a capillary ...
When you have too much sebum, it can clog hair follicles, potentially leading to scalp folliculitis. Ingrown hairs . Infected ingrown hairs are a type of folliculitis that may be present on the ...
Hair-follicle cycling Hair grows at different speeds and different lengths. Its composition causes different colors and textures, which influence how long the hair strands grow. Marianne Ernst, a German "long hair model" The three stages of hair growth are the anagen, catagen, and telogen phases. Each strand of hair on the human body is at its ...
Causes of hair loss. This could be a range of things from stress to too much daily manipulation. Genetics (Androgenetic Alopecia): "Genetic predisposition is a common cause of hair loss, with ...
Though nearly all human skin is covered with hair follicles, it can appear hairless. There are two general types of skin: hairy and glabrous skin (hairless). The adjective cutaneous literally means "of the skin" (from Latin cutis, skin). Skin plays an important immunity role in protecting the body against pathogens and excessive water loss.