cervical sinus

(redirected from precervical sinus)
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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 ?
Theories regarding the pathogenesis of the various BAs include the incomplete obliteration of the pharyngeal clefts, as suggested by Ascherson in 1832, (16) the precervical sinus theory suggested by His in 1886, (17) the thymopharyngeal theory put forth by Wenglowski in 1912, (18) and cystic degeneration of lymph nodes suggested by Luschka in 1848.