dictionary help| ectohormone | medical dictionary |
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)
ectogenesis, ectogenic teratosis, ectogenous, ectoglobular < Prev | Next > ectoine synthase, ectolecithal, ectomere
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