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What is histamine?

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Histamine: Drug used for allergic reactions to dilate blood vessels.

Answered - 9 days ago at 5:02pm on Feb 03 2012

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Histamine: amine formed from histidine that stimulates gastric secretions and dilates blood vessels. ChaCha again!

Answered by Dustin M. - 710 days ago at 3:44pm on Mar 04 2010

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Histamine is a compound C5H9N3 especially of mammalian tissues that causes dilation of capillaries, contraction of smooth MORE?

Answered by Cory P. - 896 days ago at 10:14pm on Aug 30 2009

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Histamine is a histidine-derived amine compound that is released mainly by damaged mast cells in allergic reactions. Chacha!

Answered - 1005 days ago at 10:56am on May 13 2009

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Hi! Histamine is a physiologically active amine, C5H9N3, found in plant and animal tissue and released from mast cells as More?

Answered by Monique L. - 1052 days ago at 11:07am on Mar 27 2009

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Definition of histamine: a histidine-derived amine compound that is released mainly by damaged mast cells in allergic reactions.

Answered by Nicholas M. - 1058 days ago at 8:13pm on Mar 21 2009

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In pharmacology, a commercial form of this compound from histidine and used in the diagnosis of gastric and circulatory functions.

Answered by Melissa B. - 1112 days ago at 1:47pm on Jan 26 2009

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Histamine (n.) plays a major role in many allergic reactions. Substance which dilates blood vessels & makes their walls permeable.

Answered by Cynthia P. - 1138 days ago at 7:27pm on Dec 31 2008

About Blood

The average adult has about five liters of blood inside of their body, coursing through their vessels, delivering essential elements, and removing harmful wastes. Without blood, the human body would stop working. Blood transports oxygen from the lungs to the body’s tissue and carbon dioxide from the body tissue to the lungs. Blood is the fluid of growth, transporting nourishment from digestion and hormones from glands throughout the body. Blood is the fluid of health, transporting disease fighting substances to the tissue and waste to the kidneys.

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