Term Name: | hair outer root sheath |
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Synonyms: | external root sheath of hair follicle, hair follicle outer root sheath, ORS, outer hair sheath, outer root sheath, outer root sheath of hair follicle |
Definition: | A stratified epithelium that surrounds the hair follicle that merges proximally with the basal layer of the interfollicular epidermis and distally with the hair bulb. |
Ontology: | Cell Ontology [UBERON:0005942] |