EXTERNAL CHEMICAL MESSENGER (ECM)

An odorant or other substance secreted or released by an organism and affects other organisms.

EXTERNAL CHEMICAL MESSENGER (ECM): "A pheromone is an example of an external chemical messenger."
Cite this page: N., Pam M.S., "EXTERNAL CHEMICAL MESSENGER (ECM)," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/external-chemical-messenger-ecm/ (accessed March 29, 2020).
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