Medical

ectohormone

ec·to·hor·mone

(ek'tō-hōr'mōn),
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 species as that secreting the ectohormone.
See also: ecological ectocrine.
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References in periodicals archive
Karlson P, Butenandt A (1959) Pheromones (Ectohormones) in insects.
The use of sex pheromones for the knowledge and management of 'white grub guilds' in Mexico/Uso de feromonas sexuales para el conocimiento y manejo de los 'ensambles gallina ciega' en Mexico/Uso de feromonas sexuais para o conhecimento manejo dos 'ensembles pao de galinha' no Mexico
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