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 The outer ear, external ear, or auris externa is the external part of the ear, which consists of the auricle (also pinna) and the ear canal. It gathers sound energy and focuses it on the eardrum (tympanic membrane). Structure Auricle The ...

. 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 Eminence may refer to: Places * Eminence, Arkansas, a place in Arkansas, U.S. * Eminence, Indiana, U.S. * Eminence, Kansas, U.S. * Eminence, Kentucky, U.S. * Eminence, Mississippi, in Covington County, Mississippi, U.S. * Eminence, Missouri, ...

to the prominence corresponding with the

scapha The auricle or auricula is the visible part of the ear that is outside the head. It is also called the pinna (Latin for "wing" or "fin", plural pinnae), a term that is used more in zoology. Structure The diagram shows the shape and location of ...

. 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 The second (symbol: s) is the unit of time in the International System of Units (SI), historically defined as of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds ...

pharyngeal arch The pharyngeal arches, also known as visceral arches'','' are structures seen in the embryonic development of vertebrates that are recognisable precursors for many structures. In fish, the arches are known as the branchial arches, or gill arch ...

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AnatomyExpert.com
Ear Muscles of the head and neck {{muscle-stub

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