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“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 glands, but secretin and pancreozymin, formed in the gastrointestinal tract, by definition are also hormone's.
2. A number of hormone's are formed by ductless glands, but secretin and pancreozymin, formed in the gastrointestinal tract, by definition are also hormone's.
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hormo-, hormono- +
(page 1)
(Latin: island; derived from insul[a], "island" [used here in reference to the islands [islets] of Langerhans, irregular structures in the pancreas that produce the protein hormone insulin which is secreted into the blood where it regulates sugar metabolism])