congenital preauricular fistula
- congenital preauricular fistula
- an epidermis-lined tract communicating with an ear pit (q.v.) on the skin; it results from imperfect fusion of the first and second branchial arches in formation of the auricle; see also congenital preauricular cyst. Called also f. auris congenita.
Medical dictionary.
2011.
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