Protovertebra
(n.) 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. See Illust. of Ectoderm.
Similar Words:
Diprotodon Polyprotodonta Proto- Proto-Doric Protocanonical Protocatechuic Protocercal Protococcus Protocol Protocolist