protovertebra

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English[edit]

Etymology[edit]

proto- +‎ vertebra

Noun[edit]

protovertebra ‎(plural protovertebrae)

  1. (anatomy) 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.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.