1. With consent; by mutual agreement of all parties. 2. Pertaining to a reflex elicited by indirect stimulation of a receptor, as pupillary constriction in 1 eye when the other is stimulated by light. [L. con-sentio, pp. con-sensus, to agree, to feel at the same time + -al]
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con·sen·su·al kən-'sench-(ə-)wəl, -'sen-chəl adj
1) existing or made by mutual consent <\consensual sexual behavior>
2) relating to or being the constrictive pupillary response of an eye that is covered when the other eye is exposed to light
con·sen·su·al·ly -ē adv
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con·sen·su·al (kən-senґshoo-əl) excited by reflex stimulation; used especially to designate the similar reaction of both pupils to a stimulus applied to only one.Medical dictionary. 2011.