Definition. noun, plural: cell organelles. A membrane-bound compartment or structure in a cell that performs a special function. Supplement. A eukaryotic cell contains many organelles, for example, the nucleus, endoplasmic reticulum, golgi apparatus, mitochondria, and chloroplast (plastid).
Glucagon-like peptide-1 (GLP-1) is a neuropeptide and an incretin derived from the transcription product of the proglucagon gene.he known peripheral functions of GLP-1 include: 1  increases insulin secretion from the pancreas in a glucose-dependent manner. 2  increases insulin-sensitivity in both alpha cells and beta cells. 3  increases beta cells mass and insulin expression, PTM, and secretion.
GGT, an abbreviation for gamma-glutamyl transferase, is a liver enzyme. It is also known as a gamma-glutamyl transpeptidase (GGTP or g-GTP). A blood test can determine your GGT level and is used to detect damage to the liver.GGT levels are increased in persons with diseases that cause damage to the liver and pancreas.For example, 75 percent of people who habitually drink large amounts of alcohol have elevated GGTs.GT and the other liver enzymes are fasting blood tests; that is, the patient should not eat for eight hours before the blood draw. Always inform your doctor about any medications or supplements you are taking at the time of a blood draw.