Term Name: hair root
Synonyms:
Definition: The enlarged basal part of a hair within the skin[BTO]. The root of the hair ends in an enlargement, the hair bulb, which is whiter in color and softer in texture than the shaft, and is lodged in a follicular involution of the epidermis called the hair follicle. [Wikipedia].
Ontology: Uberon Ontology [UBERON:0000329]

Relationships
is part of: strand of hair
is a type of: cutaneous appendage ectoderm-derived structure structure with developmental contribution from neural crest