Neurotonic pupil

neurotonic pupil n.
A pupil that does not dilate after a light source that caused it to contract is reduced or removed.


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  • Neurotoxic

    [noo r-oh-tok-sik, nyoo r-] /ˌnʊər oʊˈtɒk sɪk, ˌnyʊər-/ adjective 1. poisonous to nerve tissue, as to the brain or spinal cord.

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    [noo r-oh-tok-sis-i-tee, nyoo r-] /ˌnʊər oʊ tɒkˈsɪs ɪ ti, ˌnyʊər-/ noun 1. the degree to which a substance is poisonous to nerve tissue. 2. Pathology. the condition resulting from exposure to a neurotoxin.

  • Neurotoxicology

    [noo r-uh-tok-si-kol-uh-jee, nyoo r-] /ˌnʊər əˌtɒk sɪˈkɒl ə dʒi, ˌnyʊər-/ noun 1. the science that deals with the effects of poisons on the nervous system.

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