Many diseases and conditions are associated with hair cycle abnormalities. (vet.utk.edu)
«Adrenal steroid hormone concentrations in dogs with hair cycle arrest (Alopecia X) before and during treatment with melatonin and mitotane.» (thehappypuppysite.com)
During postnatal growth of the skin and homeostatic hair cycling, different proliferative compartments contribute to tissue expansion and establishment of a functional epidermis. (emboj.embopress.org)