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 23 Dec. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share