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Microtia is a congenital deformity where the auricle (external ear) is underdeveloped. A completely undeveloped auricle is referred to as anotia. Because microtia and anotia have the same origin, it can be referred to as microtia-anotia. [1] Microtia can be unilateral (one side only) or bilateral (affecting both sides).
Microtia Freudenthal, 1976 ( preoccupied) Mikrotia is an extinct rodent belonging to the Muridae. It lived during the upper Miocene (about 11.63 - 5 million years ago) and its fossil remains have been found in Italy ( Gargano ). The type species is M. magna, although two other species ( M. maiuscula and M. parka) are also known.
Microtia elva. Bates, 1864. Synonyms. Microtia elva f. draudti Röber, [1914] Microtia is a monophyletic genus of butterflies from southern United States and Central America in the family Nymphalidae. It contains the single species Microtia elva, the elf. [1] Larvae of this species feed on Tetramerium and other species in the family Acanthaceae.
Anotia ("no ear") describes a rare congenital deformity that involves the complete absence of the auricle, the outer projected portion of the ear, and narrowing or absence of the ear canal. This contrasts with microtia, in which a small part of the auricle is present. Anotia and microtia may occur unilaterally (only one ear affected) or ...
Biliary atresia (BA) is a rare disease marked by an unknown-origin biliary obstruction that manifests in the neonatal period. The classic clinical triad of Biliary atresia is acholic stools, and dark urine, jaundice, and hepatomegaly. The clinical manifestations are used to make the diagnosis, which is supported by liver ultrasonography ...
Michel aplasia, also known as complete labyrinthine aplasia (CLA), is a congenital abnormality of the inner ear. It is characterized by the bilateral absence of differentiated inner ear structures and results in complete deafness ( anacusis ). Michel aplasia should not be confused with michel dysplasia. [1] It may affect one or both ears.
Hemifacial microsomia ( HFM) is a congenital disorder that affects the development of the lower half of the face, most commonly the ears, the mouth and the mandible. It usually occurs on one side of the face, but both sides are sometimes affected. If severe, it may result in difficulties in breathing due to obstruction of the trachea ...
Auricle (anatomy) The auricula. Lateral surface. 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 .