Compound hair follicle in dog.

Several hair follicles cluster together in the dermis to form compound hair follicle. Usually there is a primary hair follicle and several smaller secondary hair follicles (underhairs). Also present in this micrograph is a sweat duct and a portion of a sebaceous gland. Original mag. 100x. H&E. Compound hair follicle. Hair. Skin appendages. Integument System. Dog.