However, acute liver failure from severe hepatic necrosis is an uncommon phenomenon. Acute liver failure can affect the body through a number of system failures: 1  Gastrointestinal: vomiting, diarrhea, blood in the stool (hematochezia).
Opera seria (plural: opere serie; usually called dramma per musica or melodramma serio) is an Italian musical term which refers to the noble and serious style of Italian opera that predominated in Europe from the 1710s to c. 1770.
Operetta - 'little opera' - Strictly a play with an overture, songs, dances etc. However it has become synonymous with 'light opera'.Operetta originally meant a short opera [17th century].By 19th century it became associated with comic opera or any such like considered less 'serious' than operas. Most operettas can be described as 'light' operas-good examples are the works of Gilbert and Sullivan.peretta - 'little opera' - Strictly a play with an overture, songs, dances etc. However it has become synonymous with 'light opera'.