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half of a spherical or roughly spherical structure or organ.
cerebral hemisphere one of the paired structures constituting the largest part of the brain, which together comprise the extensive cerebral cortex, centrum semiovale, basal ganglia, and rhinencephalon, and contain the lateral ventricle. See also brain.
cerebellar hemisphere either of the paired portions of the cerebellum lateral to the vermis.
dominant hemisphere the cerebral hemisphere that is more concerned than the other in the integration of sensations and the control of many functions. See also laterality.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


(hem'i-sfēr), [TA]
Half a spheric structure.
Synonym(s): hemispherium [TA]
[hemi- + G. sphaira, ball, globe]
Farlex Partner Medical Dictionary © Farlex 2012

ce·re·bral hem·is·phere

(ser'ĕ-brăl hem'is-fēr') [TA]
1. Synonym(s): hemisphere.
2. The large mass of the telencephalon, on either side of themidline, consisting of the cerebral cortex and its associated fiber systems, together with the deeper-lying subcortical telencephalic nuclei(i.e., basal ganglia [nuclei]).
Synonym(s): hemispherium (1) .
Medical Dictionary for the Health Professions and Nursing © Farlex 2012