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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 ', pl. : pinnae ), a term that is used more in zoology . Structure
The extrinsic auricular muscles are the three muscles surrounding the auricula or outer ear: anterior auricular muscle; superior auricular muscle; posterior auricular muscle; The superior muscle is the largest of the three, followed by the posterior and the anterior. In some mammals these muscles can adjust the direction of the pinna.
The outer ear is the external portion of the ear and includes the fleshy visible auricle, the ear canal, and the outer layer of the eardrum (also called the tympanic membrane). [2] [3] The auricle consists of the curving outer rim called the helix, the inner curved rim called the antihelix, and opens into the ear canal.
The posterior auricular muscle is a muscle behind the auricle of the outer ear. It arises from the mastoid part of the temporal bone, and inserts into the lower part of the cranial surface of the auricle of the outer ear. It draws the auricle backwards, usually a very slight effect.
The transverse muscle of auricle (transverse auricular muscle, [1] transversus auriculae, transversus auricularis or transverse muscle of pinna [2]) is an intrinsic muscle of the outer ear. The muscle is located on the cranial surface of the pinna .
Elastic cartilage, fibroelastic cartilage or yellow fibrocartilage [1] is a type of cartilage present in the pinnae (auricles) of the ear giving it shape, [2] provides shape for the lateral region of the external auditory meatus, [3] medial part of the auditory canal [3] Eustachian tube, corniculate and cuneiform laryneal cartilages, [3] and the epiglottis.
Pseudocyst of the auricle, also known as auricular pseudocyst, endochondral pseudocyst, cystic chondromalacia, intracartilaginous auricular seroma cyst, and benign idiopathic cystic chondromalacia, [1] is a cutaneous condition characterized by a fluctuant, tense, noninflammatory swelling on the upper half of the ear, known as the auricle or pinna.
Christophe Pinna (born 1968), French martial artist; Giovanni Pinna, a paleontologist and describer of the Triassic reptile Drepanosaurus; Mattheus Pinna da Encarnaçao (1687–1764), Brazilian theologian; Nicola Pinna (born 1974), Italian chemist; Paola Pinna (born 1974), Italian politician; Salvatore Pinna (born 1975), Italian football player