rectifying valve
— Navneord
– Engelsk
~ a thermionic tube having two electrodes; used as a rectifier
right atrioventricular valve
— Navneord
– Engelsk
~ valve with three cusps; situated between the right atrium and the right ventricle; allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts
Rembrandt van Ryn
— Navneord
– Engelsk
~ influential Dutch artist (1606-1669)
Rembrandt van Rijn
— Navneord
– Engelsk
~ influential Dutch artist (1606-1669)