収しゅう縮しゅく期き血けつ圧あつしゅうしゅくきけつあつMeanings1nounsystolic blood pressurephysiology›Medical term for the pressure in the arteries when the heart contracts. Often contrasted with 拡張期血圧 (diastolic blood pressure).See also: 拡張期血圧健けん康こう診しん断