hemisphere

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hemisphere

 [hem´ĭ-sfēr]
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.

hem·i·sphere

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

hemisphere

(hĕm′ĭ-sfîr′)
n.
1.
a. A half of a sphere bounded by a great circle.
b. A half of a symmetrical, approximately spherical object as divided by a plane of symmetry.
2. Either half of the celestial sphere as divided by the ecliptic, the celestial equator, or the horizon.
3. Either the northern or southern half of the earth as divided by the equator or the eastern or western half as divided by a meridian.
4. Anatomy
a. Either of the lateral halves of the cerebrum; a cerebral hemisphere.
b. Either of the lateral halves of the cerebellum; a cerebellar hemisphere.

hem′i·spher′ic (-sfîr′ĭk, -sfĕr′-), hem′i·spher′i·cal adj.
hem′i·spher′i·cal·ly adv.

hem·i·sphere

(hem'is-fēr) [TA]
Half of a spheric structure.
Synonym(s): cerebral hemisphere (1) , hemisphericum.
[hemi- + G. sphaira, ball, globe]

Hemisphere

One of the two halves or sides-the left and the right-of the brain.
Mentioned in: Aphasia

hem·i·sphere

(hem'is-fēr) [TA]
Half a spheric structure.
[hemi- + G. sphaira, ball, globe]
References in periodicals archive ?
It seems to me that we are talking about challenging the notion of irreconcilable differences in some ways: Canada can be both a nation that is urgently bounded and a nation whose boundaries are porous and problematic and need to be engaged hemispherically. Part of what we are trying to do is to think about how we can be multiple things at once, about how our performance histories can be animated by multiple, contradictory ideas and yet not fall apart at the centre.
In a scanning electron microscopy (SEM) study of CCA-treated southern pine wood, Vick and Kuster (1992) and Vick (1994) found that the lumen surfaces were coated by a heavy deposits of hemispherically shaped material ranging in diameter from around 1.0 [micro]m to essentially invisible at a magnification of 5,000X.
New norms are negotiated at the global level in the Doha Round or hemispherically in the Free Trade Area of the Americas rather than in North America where there is no viable forum for deliberation and decision.
Sea ice extents and their trends have also been calculated from the same 18-year data set, and these have been analyzed both regionally and hemispherically in Parkinson et al.
Occasionally, the United States may be able to act on its own (hemispherically, with Haiti and Cuba) but more often in concert, with regional coalitions or under the umbrella of the United Nations or international financial institutions, as with Mexico and, now, Brazil.
Part 2: sensitivity experiments with a seasonal, hemispherically averaged, coupled atmosphere, land, and ocean energy balance model.
I do want to understand the New World as a network of power and practices inextricably linked to the Old World, and therefore you've got to talk hemispherically.
However, it now is sought actively by some of the smaller countries in the region (Chile, Costa Rica) that have changed their domestic policy orientation towards more openness, are dubious of major forward progress multi-laterally, and, rejecting the North-South schisms of the past, are willing to move hemispherically.
hemispherically through a poetics of narrative form and, in doing so,
Nah, "Hemispherically aggregated BaTiO3 nanoparticle composite thin film for high-performance flexible piezoelectric nanogenerator," ACS Nano, vol.