noun
: the tubular epithelial sheath surrounding the lower part of a hair shaft and enclosing at the bottom a vascular papilla that supplies the growing basal part of the hair with nourishment — compare root
noun
: the tubular epithelial sheath surrounding the lower part of a hair shaft and enclosing at the bottom a vascular papilla that supplies the growing basal part of the hair with nourishment — compare root
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012