cervical sinus

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Related to cervical sinus: Branchial cleft cyst

cervical sinus

[′sər·və·kəl ′sī·nəs]

(embryology)

A triangular depression caudal to the hyoid arch containing the posterior visceral arches and grooves.

References in periodicals archive ?

Before the first and second branchial arches meet the epicardial ridge, an ectoderm-lined cervical sinus (the sinus of His) is formed; this sinus normally disappears as maturation continues.

Bilateral first and second branchial cleft fistulas: a case report

The vestigial remnant theory, which is most widely accepted, states that failure of a branchial cleft, branchial pouch, or the cervical sinus to obliterate during embryogenesis can result in a cyst.

Branchial cysts in two Amazon parrots (Amazona species)

Persistence of the cervical sinus (of His) or an incomplete formation or rupture of the closing branchial plate between clefts and pouches results in a branchial anomaly.

Coexisting first and bilateral second branchial fistulas in a child with nonfamilial branchio-otic syndrome

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