Hidden in hair follicles, immune 'sentinel' cells may help skin detect microbes

MedicalXpress | avr. 24, 2026

Researchers at the School of Medicine at the University of California, Riverside have discovered previously unrecognized immune surveillance structures in the skin. Found within hair follicles, the cells resemble M (microfold) cells—specialized epithelial cells traditionally associated with the gut and airway tissues.