plural of Jack Russell terrier

A condition caused by methylmercury poisoning, characterised by paresthesia, ataxia, and impaired speech and vision.

Silver-Russell syndrome

A growth disorder, a form of dwarfism, sometimes treatable.

plural of Hertzsprung-Russell diagram

The time measurement resulting from an in vitro diagnostic test based on the ability of the venom of the Russell's viper to induce thrombosis.