Noun [edit]. viola â(plural violas). ( 1 music) A stringed instrument of the violin family, somewhat larger than a violin, played under the chin, and having a deeper tone. ( 2 music) An organ stop having a similar tone. ( 3 music) A 10-string steel-string acoustic guitar, used in Brazilian folk music.oun [edit]. viola â(plural violas). ( 1 music) A stringed instrument of the violin family, somewhat larger than a violin, played under the chin, and having a deeper tone. ( 2 music) An organ stop having a similar tone. ( 3 music) A 10-string steel-string acoustic guitar, used in Brazilian folk music.
Dipalmitoylphosphatidylcholine (DPPtdCho) is a phospholipid (and a lecithin) consisting of two palmitic acids attached of a phosphatidylcholine head-group and is the major constituent of many pulmonary surfactants. It is zwitterionic by virtue of having a negative charge on the phosphate group and a positive charge on the quaternary ammonium group.
DIC = disseminated intravascular coagulation; FDP = fibrin degradation product; HELLP = hemolysis, elevated liver enzymes, low platelet count; HIT = heparin-induced thrombocytopenia; HUS = hemolytic uremic syndrome; ITP = idiopathic thrombocytopenic purpura; PaCO 2 = partial pressure of carbon dioxide in arterial blood; SIRS = systemic inflammatory response syndrome; TTP = thrombotic thrombocytopenic purpura; WBC = white blood cell.