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Definition of Ectohormone
1. Noun. (biology) Any hormone that is secreted into an individual's environment and affects the behaviour or activity of another individual (of the same or different species) in the manner of a pheromone ¹
¹ Source: wiktionary.com
Medical Definition of Ectohormone
1. 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 2000)
Lexicographical Neighbors of Ectohormone
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