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Related to Cervical sinus: Branchial cleft cyst
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  • noun

Synonyms for sinus

References in periodicals archive ?
This leads to enclosure of the 2nd, 3rd, and 4th branchial clefts in an ectoderm-lined cavity known as the cervical sinus of His, which ultimately involutes.
63) These lesions are thought to arise from incomplete obliteration of the embryologic cervical sinus of His.
During closure of the cervical sinus that lies between the second branchial arch and the epipericardial ridge, ectoderm may become trapped, resulting in the formation of an inclusion or cyst.
2) According to the most widely accepted theory regarding branchial remnants, branchial cleft anomalies are the result of a persistent branchial apparatus secondary to either (1) an incomplete closure of either clefts or pouches or (2) the failure of the second and fourth arches to obliterate the cervical sinus of His.