spirapril

spirapril (spē´rpril),

n brand name: Renormax;
drug class: angiotensin-converting enzyme (ACE) inhibitor;
action: selectively suppresses the renin-angiotensin-aldosterone system; inhibits ACE, prevents conversion of angiotensin I to angiotensin II; results in dilation of arterial and venous vessels;
use: treatment of hypertension.

Spirillum

n a genus of aerobic, gram-negative helix-shaped bacteria, found in fresh and salt waters.