One of two bilateral, largely symmetrical organ subdivisions within the telencephalon which contain the cerebral cortex and cerebral white matter.[FMA].
Comment:
[homology-note] "The presence of paired evaginated hemispheres and olfactory bulbs in both agnathan and gnathostome radiations suggests that such hemispheres were also present in the common ancestor.[well established][VHOG]" xsd:string {date_retrieved="2012-09-17", external_class="VHOG:0001639", ontology="VHOG", source="DOI:10.1146/annurev.ne.04.030181.001505 Northcutt RG, Evolution of the telencephalon in nonmammals. Ann. Rev. Neurosci. (1981)", source="http://bgee.unil.ch/"}