| achlorhydria | (noun) an abnormal deficiency or absence of free hydrochloric acid in the gastric juice; often associated with severe anemias and cancer of the stomach | - |
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| hypochondria | (noun) chronic and abnormal anxiety about imaginary symptoms and ailments | Synonyms: hypochondriasis |
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| hypochondriac | (adjective) suffering from hypochondria | Synonyms: hypochondriacal |
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| (noun) a patient with imaginary symptoms and ailments | - |
| hypochondriacal | (adjective) suffering from hypochondria | Synonyms: hypochondriac |
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| hypochondriasis | (noun) chronic and abnormal anxiety about imaginary symptoms and ailments | Synonyms: hypochondria |
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| mydriasis | (noun) reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs | - |
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| mydriatic | (noun) a drug that causes the pupil of the eye to dilate; used to aid eye examinations | Synonyms: mydriatic drug |
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| oligodendria | (noun) tissue consisting of glial cells with sheetlike processes that form the myelin sheath of nerve fibers | Synonyms: oligodendroglia |
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