archencephalon


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archencephalon

 [ahrk″en-sef´ah-lon]
the primordial brain from which the midbrain and forebrain develop.

archencephalon

(är′kĕn-sĕf′ə-lŏn′)
n. pl. archencepha·la (-lə)
The part of the primitive embryonic brain from which the forebrain and midbrain develop.