: a branchial segment
especially : one of the metameres indicated by the branchial arches and clefts of the embryo of air-breathing vertebrates

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Cite this Entry

“Branchiomere.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/branchiomere. Accessed 8 Jul. 2026.

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