primitive groove

noun

Medical Definition of primitive groove

: a depression or groove in the epiblast of the primitive streak that extends forward to the primitive knot

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Dictionary Entries Near primitive groove

primitive

primitive groove

primitive knot

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Cite this Entry

“Primitive groove.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/primitive%20groove. Accessed 13 Aug. 2022.

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