Abnormal autonomic nervous system physiology Abnormal sudomotor regulation 2013-09-13T08:04:38Z An abnormal regulation of the sweat glands by the sympathetic nervous system associated with abnormal perspiration. Normally, the cholinergic innervation via the sympathetic nervous system activates muscarinic acetylcholine receptors in sweat glands, thereby leading to perspiration. This terms refers to an abnormally increased or decreased activity of this system. HP:0012333 UMLS:C4021092 Sudomotor sympathetic dysfunction