Frequently Asked Questions About Workplace Safety & Health. 1  Where can I get an OSHA 300 Log? 2  I hear that OSHA has new record keeping guidelines. 3  How do I know if my business is exempt from filing the new OSHA 300 form?  I have noticed many unsafe work practices at my employment, and I want to file a complaint.
Hair root. Hair root. The part of a hair that is embedded in the hair follicle, its lower succulent extremity capping the dermal papilla pili in the deep bulbous portion of the follicle. Synonym: radix pili. Please contribute to this project, if you have more information about this term feel free to edit this page.
Definition of Hair follicle. Hair follicle: A sac from which a hair grows and into which the sebaceous (oil) glands open. The follicle is lined by cells derived from the epidermal (outside) layer of the skin. Each follicle normally goes through a five-year cycle of growth and rest, with about 90% of the follicles growing hair at any one time, averaging about six inches (15 cm) of growth per year. Derived from the Latin word follis, for bag. The human hair follicle is a dynamic structure that generates hair through a complex and exquisitely regulated cycle of growth and remodelling governed by numerous genes, Siobhn A. Jordan has noted in Molecular Medicine Today.