has part has part characteristic of part of inheres in part of has modifier Abnormal peripheral nervous system morphology HP:0003483 The peripheral nervous system is divided into autonomic and somatic components, which both include afferent (sensory) and efferent (motor) nerves. SNOMEDCT_US:302226006 UMLS:C4025831 SNOMEDCT_US:42658009 UMLS:C0031117 Abnormal peripheral nervous system structure Peripheral nervous system disease A structural abnormality of the peripheral nervous system, which is composed of the nerves that lead to or branch off from the central nervous system. This includes the cranial nerves (olfactory and optic nerves are technically part of the central nervous system). HP:0000759 Abnormal nervous system morphology morphology abnormal peripheral nervous system