has part has part has_part characteristic of part of has modifier abnormal sphenoid bone morphology abnormal cranial foramen ovale morphology 2017-10-11T12:45:31Z abnormal foramen ovale basis cranii abnormal foramen ovale cranii any structural anomaly of the oval-shaped opening in the middle cranial fossa located at the posterior base of the greater wing of the sphenoid bone, lateral to the lingual; it transmits the mandibular division of the trigeminal nerve, accessory meningeal artery, emissary veins between the cavernous sinuses and pterygoid plexus, otic ganglion, and occasionally the nervus spinosus and lesser petrosal nerve MPheno.ontology MP:0030272 abnormal middle cranial fossa morphology abnormal cranial foramen morphology morphology abnormal foramen ovale of skull