#hair_follicle  a small tubular cavity containing the root of a hair; small muscles and sebaceous glands are associated with hair follicles
  supertype:  follicle  any small spherical group of cells containing a cavity
  part:  sebaceous_gland__sebaceousgland__sebaceous_follicle__sebaceousfollicle__glandulae_sebaceae__glandulaesebaceae  a cutaneous gland that secretes sebum (usually into a hair follicle) for lubricating hair and skin

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