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Hemisphere

Hemisphere

1. A half sphere; one half of a sphere or globe, when divided by a plane passing through its center.

2. Half of the terrestrial globe, or a projection of the same in a map or picture.

3. The people who inhabit a hemisphere. He died . . . Mourned by a hemisphere. (j. P. Peters)ten cerebral hemispheres.

(Science: anatomy) see brain.

(Science: physics) Magdeburg hemispheres, two hemispherical cups forming, when placed together, a cavity from which the air can be withdrawn by an air pump; used to illustrate the pressure of the air. So called because invented by otto von Guericke at Magdeburg.

Origin: L. Hemisphaerium, gr.; half = sphere: cf. F. Hemisphere. See Hemi-, and sphere.


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PostSynaptic Neuron

... D. Hypothalamus The Cerebellum being the region of the brain to control muscle movement The Cerebral Cortex, the outer lining of the cerebral hemisphere The Medulla regulates involuntary muscle action, breathing movements, diameter of blood vessels, heart rate... Hypothalamus and pituitary ...

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by Asanii
Fri Jul 24, 2009 2:28 am
 
Forum: General Discussion
Topic: PostSynaptic Neuron
Replies: 3
Views: 119

Re: study and listen to the music at the same time

... focus on the message. You are also a global thinker if you can study in any place, any position and in any light condition. The left and right hemispheres of our brain usually communicate with one another through the corpus callosum. However it's not usually the case since either the two of ...

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by MrMistery
Sat Mar 21, 2009 12:08 am
 
Forum: Physiology
Topic: study and listen to the music at the same time
Replies: 25
Views: 11685

controling Nerve of the Brain? Which One

... or series of nerves combined together but is their a single nerve in the brain that we can single out and say this nerve here in the left or right hemisphere of the brain controls this or when the nerve is damaged or pinched it does this or that. If so I would be pleased to know and that also means ...

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by CXCR4
Tue Feb 03, 2009 11:24 pm
 
Forum: General Discussion
Topic: controling Nerve of the Brain? Which One
Replies: 7
Views: 2427

Ununiform blood flow to the hemispheres of the brain

of course the two hemispheres of the brain have different functions(like the Broca region in the dominant hemisphere). but i doubt anyone can provide some solid scientific proof that one hemisphere or the other helps you do math. At ...

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by MrMistery
Fri Jan 11, 2008 12:55 pm
 
Forum: Human Biology
Topic: Ununiform blood flow to the hemispheres of the brain
Replies: 7
Views: 759

Re:

I'm sorry to say, but yes it does. Hemisphere dominance has nothing to do with blood circulation. Actually i don't think that old hypothesis that the left is for analysis and right for synthesis still stands. It's a sort of an urban mith, ...

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by MichaelXY
Fri Jan 11, 2008 4:10 am
 
Forum: Human Biology
Topic: Ununiform blood flow to the hemispheres of the brain
Replies: 7
Views: 759
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