Source:http://linkedlifedata.com/resource/umls/id/C0079173
MSH: Diseases or disorders of the muscles of the head and neck, with special reference to the masticatory muscles. The most notable examples are TEMPOROMANDIBULAR JOINT DISORDERS and TEMPOROMANDIBULAR JOINT DYSFUNCTION SYNDROME.,NCI: A term referring to disorders affecting the muscles of the head and neck, particularly the masticatory muscles.