has part has part has_part characteristic of has modifier abnormal nervous system physiology abnormal somatic nervous system physiology MP:0005423 any functional anomaly of the part of the peripheral nervous system that is responsible for conveying voluntary motor and external sensory information, including all nerves controlling the skeletal muscular system and external sensory receptors (including balance, smell, sight, taste, touch and hearing sensory inputs) MPheno.ontology abnormal functionality somatic nervous system