sinus rhomboidalis


sinus rhom·​boi·​da·​lis -ˌräm-ˌbȯid-ˈā-ləs How to pronounce sinus rhomboidalis (audio)
: the posterior expanded and for a long time incompletely closed part of the neural groove of vertebrate embryos
also : an expansion of the central canal in the sacral region derived from it

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Cite this Entry

“Sinus rhomboidalis.” Medical Dictionary, Merriam-Webster, Accessed 19 Jun. 2024.

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