plasminoplastin

plas·min·o·plas·tin

(plaz'min-ō-plas'tin),
Term proposed for activator agents that produce plasmin by direct action on plasminogen; for example, staphylokinase, plasminogen activator.

plasminoplastin

An obsolete, generic term for any substance that evokes plasmin production by acting on plasminogen; plasminogen activator.