ectohormone

A parahormonal chemical mediator of ecological significance which is secreted, largely by an organism (usually an invertebrate) into its immediate environment (air or water); it can alter the behaviour or functional activity of a second organism, often of the same species as that secreting the ectohormone. ... See: ecological ectocrine. ... (05 Mar...
Found on http://www.encyclo.co.uk/local/20973

Ectohormone

A substance secreted by an animal to the outside of its body causing a specific reaction, such as determination of physiological development, in a receiving individual of the same species.
Found on http://www.earthlife.net/insects/glossary.html

ectohormone

ectohormone 1. A parahormonal chemical mediator of ecologic significance that is secreted, largely by an organism (usually an invertebrate) into its immediate environment (air or water); it can alter the behavior or functional activity of a second organism, often of the same species as that secreting the ectohormone.2. A hormone secreted to the out...
Found on http://www.wordinfo.info/words/index/info/view_unit/2836/

ectohormone

Type: Term Pronunciation: ek′tō-hōr′mōn Definitions: 1. A parahormonal chemical mediator of ecologic significance which is secreted, largely by an organism (usually an invertebrate) into its immediate environment (air or water); it can alter the behavior or functional activity of a second organism, often of the same speci...
Found on http://www.medilexicon.com/medicaldictionary.php?t=27819
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