transverse muscle of auricle transverse muscle of auricle the transverse muscle of auricle (transverse auricular muscle, transversus auriculae, transversus auricularis or transverse muscle of pinna) is an intrinsic muscle of the outer ear. transverse muscle of auriclethe muscles of the outer ear.detailsorigincranial surface of the eminentia conchaeinsertioncranial surface of the eminentia scaphaearteryauricular branches of posterior auricular and auricular branch of occipital arteriesnervefacial nerveactionsflattens the cranial profile outer earidentifierslatinmusculus transversus auriculaeta98a15.3.01.043ta22099fma48983anatomical terms of muscle the muscle is located on the cranial surface of the pinna. it consists of scattered fibers, partly tendinous and partly muscular, extending from the eminentia conchae to the prominence corresponding with the scapha. while the muscle modifies the auricular shape only minimally in the majority of individuals, it could help flatten the cranial profile of the auricular cartilage. the transverse muscle is developmentally derived from the second pharyngeal arch. additional images anatomy of human ear