dictionary help| cervical sinus | medical dictionary |
In young mammalian embryos a depression in the nuchal region caudal to the hyoid arch, with the third and fourth branchial arches and ectodermal grooves in its floor; normally it is obliterated after the second month, but occasionally cervical fistulae persist as vestiges of it.
Synonyms: precervical sinus.
(05 Mar 2000)
cervical rib syndrome, cervical rotator muscles, cervical segments of spinal cord < Prev | Next > cervical smear, cervical spine fractures
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