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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

/hemi·sphere/ (hem´ĭ-sfēr) half of a spherical or roughly spherical structure or organ.
cerebellar hemisphere  either of two lobes of the cerebellum lateral to the vermis.
cerebral hemisphere  one of the paired structures forming the bulk of the human brain, which together comprise the cerebral cortex, centrum semiovale, basal ganglia, and rhinencephalon, and contain the lateral ventricles.
dominant hemisphere  that cerebral hemisphere which is more concerned than the other in the integration of sensations and the control of voluntary functions.

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.

hemisphere

[hem′isfir]
Etymology: Gk, hemi + sphaira, sphere
1 one half of a sphere or globe.
2 the lateral half of the cerebrum or of the cerebellum. hemispheric, adj.

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]

hemisphere

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.
References in periodicals archive ?
Regressions were calculated between the results acquired by hemispherical photography and the destructive and the nondestructive methods.
Coordinates obtained from hemispherical photography (unreduced and reduced) were compared with reference coordinates, thus elevations and horizontal angles errors were calculated.
When analyzing the dispersion of estimated data in graphical form, a greater variation in LAI-2000 (Figure 3-b) values in relation to the hemispherical photos (Figure 3-c,d) is verified.
Methodology comparison for canopy structure parameters extraction from digital hemispherical photography in boreal forests.
For a Hemispherical Dielectric Resonator Antenna, the impedance offered [1], at the input port is given by the following equation:
Table 2 summarizes the estimated total hemispherical emittance, transmittance, and reflectance of the structure of the fabrics.
Lip region high hemispherical in shape, continuous with body, flat at apex, marked with a slight depression; with 4-5 distinct annules.
It is, in short, a left hemispherical place, and it will not like Iain McGilchrist's expose of its shortcomings, and its insistence that it needs to listen to other voices if it is faithfully to represent the world.
The largest hemispherical building in the world and at the same time the largest scale model of the solar system is the Ericsson Globe, formerly known as the Stockholm Globe Arena, or nicknamed in Swedish, Globen - The Globe.
Low-friction polyethylene cups have a hemispherical bearing surface, but large diameter MoM cups have a bearing surface that is less than a hemisphere.
Finally, a hemispherical cap injection molded of a third nylon grade is welded to the ends of the pipe using a special method that yields an air-tight seal.

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