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Original discription of branchial anomalies

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quote from "Operative Pediatric Surgery" by Davenport, Mark; Geiger, James -

"The branchial (external) and pharyngeal (internal) arches are structures which recapitulate our ontogeny with perhaps four or five being identifiable. In fish and most amphibians these become functional gill slits. The word itself comes from the Greek word for gills (βράγχια). Ascherson in 1832 was the first to suggest that the lateral cervical cysts he observed derived from such embryological precursors, using the term branchial cysts."

In 1832, German physician Ferdinand Mauritz Ascherson coined the term "branchial cyst" and proposed the classic branchial theory, which suggests that lateral neck cysts arise from the incomplete obliteration of embryonic branchial clefts or pouches
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