hormone

A substance secreted by specialized cells that affects the metabolism or behaviour of other cells possessing functional receptors for the hormone. Hormones may be hydrophilic, like insulin, in which case the receptors are on the cell surface, or lipophilic, like the steroids, where the receptor can be intracellular. See Tables H2 and H3.

Hormone

A chemical messenger formed in one part of the body and carried in the blood to other parts of the body where it stimulates or suppresses cell and tissue activity.

Hormone

A chemical agent that controls various physiological processes within an organism e.g. adrenaline stimulates the heart; auxins and cytokinins in plants stimulate cell proliferation and growth.

hormone

Chemical that acts as a messenger relaying instructions to start certain physiological activities. Hormones are synthesized in one type of cell, and released to direct the function of other cell types.

Hormone

Hormone is American slang for a sexually aggressive person.
Found on http://www.probertencyclopaedia.com/browse/ZH.HTM

hormone

[n] - an endocrine secretion that is transmitted by the blood to the tissue on which it has a specific effect
Found on http://www.webdictionary.co.uk/definition.php?query=hormone

hormone

A chemical messenger from one cell (or group of cells) to another. Hormones are produced to stimulate or slow down various body functions. The levels of some hormones increase ten-fold during pregnancy.
Found on http://www.encyclo.co.uk/local/20423

hormone

Substance formed in one organ or part of the body and carried in the blood to another organ or part where it selectively alters functional activity.
Found on http://sis.nlm.nih.gov/enviro/iupacglossary/glossaryh.html

hormone

A molecule produced by endocrine glands that controls specific biological processes like growth and metabolism.
Found on http://antoine.frostburg.edu/chem/senese/101/glossary/h.shtml

Hormone

(hormones) Natural chemicals made in one part of the body which travel in the bloodstream and make things happen in another part of the body. Some cancers are stimulated to grow by hormones, including the sex hormones (testosterone in men and oestrogen in women).
Found on http://www.cancerhelp.org.uk/utilities/glossary/index.htm?search=h

Hormone

Chemical secreted in small amounts, which coordinates growth and activities
Found on http://www.makingsenseofhealth.org.uk/default.html?section=Secondary&chapte

Hormone

a chemical produced by a gland or tissue that is released into the bloodstream; controls body functions such as growth and sexual development
Found on http://www.medichecks.com/glossary.cfm?ltr=H

Hormone

A chemical “signal� carried in the blood.
Found on http://www.astrazeneca.com/ncm.xhtml?node=glossary&letter=7

Hormone

Hor'mone (hôr'mōn) noun [ From Greek 'orma`ein to excite.] (Physiol. Chem.) A chemical substance formed in one organ and carried in the circulation to another organ on which it exerts a stimulating effect; thus, according to Starling, the gastric glands are stimulated by a ho...
Found on http://www.encyclo.co.uk/webster/H/61

hormone

<endocrinology> A naturally occuring substance secreted by specialised cells that affects the metabolism or behaviour of other cells possessing functional receptors for the hormone. Hormones may be hydrophilic, like insulin, in which case the receptors are on the cell surface or lipophilic, like the steroids, where the receptor can be intrace...
Found on http://www.encyclo.co.uk/local/20973

hormone

endocrine noun the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect
Found on http://wordnetweb.princeton.edu/perl/webwn?s=hormone

hormone

(hor´mōn) a chemical transmitter substance produced by cells of the body and transported by the bloodstream to the cells and organs on which it has a specific regulatory effect. Hormones act as chemical messengers to body organs, stimulating certain life processes and retarding others. Growth, reproduction, control...
Found on http://www.encyclo.co.uk/local/21001

Hormone

• (n.) A chemical substance formed in one organ and carried in the circulation to another organ on which it exerts a stimulating effect; thus, according to Starling, the gastric glands are stimulated by a hormone from the pyloric mucous membrane.
Found on http://thinkexist.com/dictionary/meaning/hormone/

hormone

organic substance secreted by plants and animals that functions in the regulation of physiological activities and in maintaining homeostasis. ... [51 related articles]
Found on http://www.britannica.com/eb/a-z/h/70

hormone

hormone 1. A chemical substance, formed in one organ or part of the body and carried in the blood to another organ or part; depending on the specificity of their effects. Hormones can alter the functional activity, and sometimes the structure, of just one organ or tissue or various numbers of them.2. A number of hormone's are formed by ductless gla...
Found on http://www.wordinfo.info/words/index/info/view_unit/2836/

Hormone

a chemical released by one of the endocrine glands or tissues, and which has effects on other tissues. Insulin is a hormone as is glucagon and adrenaline.
Found on http://www.translationdirectory.com/glossaries/glossary099.htm

Hormone

a chemical released by one of the endocrine glands or tissues, and which has effects on other tissues. Insulin is a hormone as are glucagon, adrenaline, and angiotensin II.
Found on http://en.wikipedia.org/wiki/Glossary_of_diabetes

hormone

hormone, secretory substance carried from one gland or organ of the body via the bloodstream to more or less specific tissues, where it exerts some influence upon the metabolism of the target tissue. Normally, various hormones are produced and secreted by the endocrine glands (see endocrine system),...
Found on http://www.infoplease.com/ce6/sci/A0824194.html

Hormone

A chemical made by glands in the body. Hormones circulate in the bloodstream and control the actions of certain cells or organs. They also affect moods.
Found on http://www.kidney.org.au/KidneyDisease/KidneyGlossary/tabid/679/Default.xht

Hormone

A hormone is a product of the endocrine glands.
Found on http://www.probertencyclopaedia.com/browse/EH.HTM
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