tissue plasminogen activator-a thrombolytic agent (trade name Activase) that causes fibrinolysis at the site of a blood clot; used in treating acute myocardial infarction.issue plasminogen activator-a thrombolytic agent (trade name Activase) that causes fibrinolysis at the site of a blood clot; used in treating acute myocardial infarction.
A stack of colored notecards. noun. The definition of a small firm sheet of paper used for writing a short message or for keeping small pieces of information. The lined cards used for presentation notes are an example of notecard. a small card, enclosed in an envelope, having a photograph or illustration printed on one side and the other side used for sending short messages.
Definition: A note beam is a thick horizontal line connecting two or more notes, used for both rhythmic organization and to ease the reading of smaller note-lengths.Note beams can be seen on all note-values smaller than a quarter-note. The number of beams on a grouping is equal to that note-valueâs number of flags:1  Eighth-note (or quaver) groupings have one beam. 2  Sixteenth-notes (semiquavers) have two beams. 3  Thirty-second notes (demisemiquavers) have three beams.4  Sixty-fourth notes (hemidemisemiquaver) have four beams.ote beams can be seen on all note-values smaller than a quarter-note. The number of beams on a grouping is equal to that note-valueâs number of flags: 1  Eighth-note (or quaver) groupings have one beam.