Monday, March 7, 2011

cephalalgia


In medicine a headache or cephalalgia is a symptom of a number of different conditions of the head. Headache is caused by a disturbance of the pain-sensitive structures in the head. The brain in itself is not sensitive to pain, because it lacks nociceptors.
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synanthrope

 A synanthrope (from ancient Greek σύν sýn "together, with" and ἄνθρωπος ánthrōpos "man") is an organism that evolve...

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