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Medical Definition of Brachial cleft cyst
1. A cervical cyst arising from the persistence of ectodermal brachial cleft (groove) or endodermal pharyngeal pouches. (27 Sep 1997)
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1. A cervical cyst arising from the persistence of ectodermal brachial cleft (groove) or endodermal pharyngeal pouches. (27 Sep 1997)