K-Strophanthin-a, a glycoside of cymarose present in the seeds of Strophanthus kombe; the aglycone is strophanthin; a cardiotonic. ... (05 Mar 2000) ... 
Type: Term Pronunciation: sī′mă-rin Definitions: 1. Glycoside of cymarose present in the seeds of Strophanthus kombe; the aglycone is strophanthin; a cardiotonic.