Hair root
System
Integumentary
Hair root
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].
Also known as root of hair — per UBERON
The Hair root is a part of the Integumentary.