- chemical stimulus
- a chemical substance capable of exciting a response in an organism mediated through specialized nerve endings.
Medical dictionary. 2011.
chemical stimulus
Look at other dictionaries:
chemical irritability — responsiveness to a chemical stimulus; see chemoreceptor … Medical dictionary
stimulus — stimulus, stimulant, excitant, incitement, impetus can all mean an agent that arouses a person or a lower organism or a particualr organ or tissue to activity. Only the first three words have definite and common technical use. Stimulus, in this… … New Dictionary of Synonyms
Stimulus — Stim u*lus, n.; pl. {Stimuli}. [L., for stigmulus, akin to L. instigare to stimulate. See {Instigare}, {Stick}, v. t.] 1. A goad; hence, something that rouses the mind or spirits; an incentive; as, the hope of gain is a powerful stimulus to labor … The Collaborative International Dictionary of English
stimulus — noun ADJECTIVE ▪ great, major, powerful, strong ▪ negative, positive ▪ conditioned, unconditioned … Collocations dictionary
Chemical synapse — This article is about chemical synapses of the nervous system. For other uses, see Synapse (disambiguation). Illustration of the major elements in chemical synaptic transmission. An electrochemical wave called an action potential travels along… … Wikipedia
American Chemical Society — Infobox Organization name = American Chemical Society image border = size = 150 px caption = formation = 1876 type = headquarters = Washington, DC location = flag|United States membership = 160,000 language = English leader title = President… … Wikipedia
Noxious stimulus — A noxious stimulus is an actually or potentially tissue damaging event. [1] It is a prerequisite for nociception, which itself is a prerequisite for nociceptive pain[1] Noxious stimuli can either be mechanical (e.g. pinching or other tissue… … Wikipedia
Odor — Aroma redirects here. For other uses, see Aroma (disambiguation). Allegory of the senses by Jan Brueghel the Elder, Museo del Prado An odor or odour is caused by one or more volatilized chemical compounds, generally at a very low concentration,… … Wikipedia
mechanoreception — See mechanoreceptor. * * * Ability to detect and respond to mechanical stimuli in one s environment. A slight deformation of a mechanoreceptive neuron causes an electric charge at its surface, activating a response. Mechanoreceptors in pain spots … Universalium
Dictyostelium discoideum — Fruiting bodies of D. discoideum Scientific classification Domain: Eukar … Wikipedia
