| Russian influenza |
a pandemic of influenza A that occurred in 1978 and was thought to have originated in Russia.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| Russian spring-summer encephalitis virus |
a tick-borne virus of the genus Flavivirus that causes spring-summer encephalitis in the former Soviet Union and Central Europe.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| Ruysch's tube |
a very small tubular opening on the nasal septum, just anterior and inferior to the nasopalatine foramen: it is a relic of the fetal Jacobson's organ.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| Ruffini's corpuscle |
a type of lamellated corpuscle in the dermis that is a slowly-adapting receptor for sensations of continuous pressure. Called also Ruffini's cylinder or ending.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| Ruggeri's reflex |
acceleration of the pulse following strong convergence of the eyeballs toward something very close to the eyes; it indicates sympathetic excitability.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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