has part has part has_part occurs in occurs in characteristic of part of has modifier muscle organ development abnormal eye muscle development abnormal extraocular muscle morphology abnormal extraocular muscle development 2017-10-03T13:36:23Z any anomaly in the differentiation of any of the striated muscles that are located within the orbit but are extrinsic and separate from the eyeball and control the movements of the eyeball and the superior eyelid; these include the superior rectus, inferior rectus, medial rectus, lateral rectus, inferior oblique, superior oblique, and levator palpebrae superioris MP:0030238 abnormal extra-ocular muscle development MPheno.ontology quality abnormal extra-ocular muscle