has part has part has_part characteristic of part of has modifier abnormal zygomaticus muscle morphology abnormal minor zygomaticus muscle morphology 2017-09-25T08:01:53Z abnormal lesser zygomatic muscle morphology MP:0030185 abnormal zygomaticus minor muscle morphology MPheno.ontology abnormal musculus zygomaticus minor morphology any structural anomaly of the slender band of muscle on each side of the face that arises from the zygomatic bone, inserts into the upper lip between the zygomaticus major and the levator labii superioris, and acts to raise the upper lip upward and laterally morphology abnormal zygomaticus minor muscle