Term Name:	hair outer root sheath
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]