has part has part characteristic of part of inheres in part of has modifier Abnormal cranial nerve morphology Abnormal sixth cranial nerve morphology 2012-03-01T10:20:44Z Abnormal abducens nerve morphology UMLS:C4023404 Abnormality of the sixth cranial nerve The abducens nerve (also known as the sixth cranial nerve or cranioal nerve VI) controls the movement of the lateral rectus muscle of the eye, which moves the eyeball in the outward direction (towards the side of the head). Any structural abnormality of the abducens nerve. HP:0011348 quality abnormal abducens nerve