tail bud

noun

Medical Definition of tail bud

: a knob of embryonic tissue not divided into germ layers that arises at the primitive knot and contributes to the formation of the posterior part of the vertebrate body

called also end bud

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Dictionary Entries Near tail bud

tailbone

tail bud

tailor's muscle

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Cite this Entry

“Tail bud.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/tail%20bud. Accessed 22 Oct. 2021.

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