| Robertson pupil | <clinical sign> Pupils of the eye which react to accommodation but not to light. Seen in cases of tertiary syphilis. (27 Sep 1997) |
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| Robertson, Douglas Argyll | <person> Scottish ophthalmologist, 1837-1909. See: Argyll Robertson pupil, Robertson pupil. (05 Mar 2000) |
| Robertsonian translocation | <molecular biology> A special type of nonreciprocal translocation in chromosomes whereby the long arms of two nonhomologous acrocentric chromosomes are attached to a single centromere. The short arms become attached to form a reciprocal structure that however often disappears some divisions after its formation. (17 Dec 1997) |
| Argyll Robertson pupil | <clinical sign> Pupils of the eye which react to accommodation but not to light. Seen in cases of tertiary syphilis. (27 Sep 1997) |
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