(anatomy) A muscle that arises from the mastoid process of the temporal bone, inserts into the cranial surface of the concha of the external ear, and acts to retract the external ear.

plural of auricularis posterior

(anatomy) Synonym of choana.

plural of posterior naris

(anatomy) A triangular region that is a landmark in the neck, has its apex above at the occipital bone, and is bounded in front by the sternocleidomastoid muscle, behind by the anterior margin of the trapezius, and inferiorly by the middle third of the clavicle.

plural of posterior mal

(anatomy) Alternative form of auricularis posterior.

plural of posterior auricular muscle

(anatomy) A muscle of the larynx that arises from the posterior surface of the lamina of the cricoid cartilage, inserts into the posterior of the process of the arytenoid cartilage, and widens the opening of the vocal cords.

(anatomy) A muscle arising from the transverse processes of the fourth to sixth cervical vertebrae, inserting on the outer surface of the second rib, and functioning to raise the second rib and to bend and slightly rotate the neck.