head process

noun

: an axial strand of cells that extends forward from the anterior end of the primitive streak in the early vertebrate embryo and is the precursor of the notochord

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Cite this Entry

“Head process.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/head%20process. Accessed 7 Feb. 2023.

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