Basicmedical Key

C C fibres small, non-myelinated, free nerve endings within skin, and fibres within mixed nerves, carrying afferent pain impulses from high-threshold polymodal nociceptors; C-fibre nerve endings also secrete bradykinins, initiating…

P pacemaker see artificial pacemaker pachyonychia congenita rare, congenital, autosomal-dominant disease characterized by generalized skin thickening and anhidrosis, and marked onychogryphosis of toenails and fingernails developing during babyhood pacinian corpuscles…