Medical Dictionary

metamere


metamere

noun meta·mere \ˈmet-ə-ˌmi(ə)r\

Definition of METAMERE

:  any of a linear series of primitively similar segments into which the body of a higher invertebrate or vertebrate is divisible and which are usually clearly distinguishable in the embryo, identifiable in somewhat modified form in various invertebrates (as annelid worms), and detectable in the adult higher vertebrate only in specialized segmentally arranged structures (as cranial and spinal nerves or vertebrae) :  somite
February 27, 2015
rationale Hear it
An explanation or underlying reason
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