primitive knot

noun

: a knob of cells at the anterior end of the primitive streak that is the point of origin of the embryonic head process see tail bud

Dictionary Entries Near primitive knot

Cite this Entry

“Primitive knot.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/primitive%20knot. Accessed 31 Oct. 2024.

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