Dictionary » H » 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Magdeburg hemispheres, two hemispherical cups forming, when placed together, a cavity from which the air can be withdrawn by an air pump; used to illustrate the pressure of the air.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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Re: When is it okay to call a scientist a whore?

I noticed that when I got on this afternoon on the east coast of the western hemisphere that only 11 comments had been posted to this forum subject, though there was one member and 6 guests on the site at that time. I suspect that you would get a good deal more ...

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by IamOutis
Sat Oct 12, 2013 7:55 pm
Forum: General Discussion
Topic: When is it okay to call a scientist a whore?
Replies: 79
Views: 95469

help match biology

... motor muscle action (such as to throw a ball) Unconscious control of the muscle co-ordination and balance Sends messages from tone cerebral hemisphere to the other. Connects right and left hemispheres Direct link to the pituitary gland of the endocrine system, plays a major role in homeostasis ...

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by mkshawty
Wed Apr 25, 2012 11:30 pm
Forum: Human Biology
Topic: help match biology
Replies: 1
Views: 4771

Nervous system

... damage might cause problems. Hint :Specifically, which speech area? Remember that nerves from one side of the body cross over to the other brain hemisphere at the region of the pons. Some other sources, identify the cross over in the medulla. 3.Dopamine and serotonin are neurotransmitters produced ...

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by Catherine89
Sun Feb 05, 2012 7:22 pm
Forum: Human Biology
Topic: Nervous system
Replies: 0
Views: 5090

Theories - Origin of Life

Gavin In the northern hemisphere - autumn in the south - spring. In the tropics, warm, at the extremes - cold. Very sorry, uh ... but may I ask your permission at least to make assumptions? :roll:

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by LeoPol
Mon Oct 17, 2011 2:34 am
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 563
Views: 1136320

Take Home test Help

... plains are found on the deep ocean floor at depths of up to 5000 meter. most major animal phyla evolved some 500 million years ago the southern hemisphere is composed of over 2/3 landmasses carbon dioxide is limited in the ocean two important limited nutrients in the ocean are nitrogen and phosphorus ...

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by aldy147
Mon Nov 15, 2010 3:15 am
Forum: General Discussion
Topic: Take Home test Help
Replies: 1
Views: 5069
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