Definition of TISSUE PLASMINOGEN ACTIVATOR. : a clot-dissolving enzyme with an affinity for fibrin that is produced naturally in blood vessel linings and is used in a genetically engineered form to prevent damage to heart muscle following a heart attack and reduce neurological damage following ischemic stroke âabbreviation TPA.ADVERTISEMENT. a clot-dissolving enzyme with an affinity for fibrin that is produced naturally in blood vessel linings and is used in a genetically engineered form to prevent damage to heart muscle following a heart attack and reduce neurological damage following ischemic stroke âabbreviation TPA. ADVERTISEMENT.
Causation principle refers to the relation between the cause or an event and the effect or a second event. The second event is the physical result of the first.      â¦ . Torrey Garcia.
A: In mathematics the difference is the result of subtracting one number from another, and represents the operation of removing objects from a collection. Mathematicians use the term difference, because it shows by how much the two numbers in the subtraction problem differ.