What does "protovertebra" mean?

One of the primitive masses, or segments, into which the mesoblast of the vertebrate embryo breaks up on either side of the anterior part of the notochord; a mesoblastic, or protovertebral, somite.

Protovertebra

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
One of the primitive masses, or segments, into which the mesoblast of the vertebrate embryo breaks up on either side of the anterior part of the notochord; a mesoblastic, or protovertebral, somite. obsolete

Etymology

From proto- + vertebra.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.