Term Name:	bulb of hair follicle
Synonyms:	coat hair bulb, hair bulb, hair follicle bulb
Definition:	Thickening of the proximal end of the hair follicle. Contains rapidly proliferating, rather undifferentiated matrix cells (transient amplifying cells), melanocytes and outer root sheath cells.
Ontology:	Cell Ontology [UBERON:0005932]