an ulcer of the jejunum, after gastroenterostomy. marginal ulcer A term of art for ulcers that develop at the margins of a gastrojejunostomy, primarily on the jejunal side. Most marginal ulcers respond to medical therapy, but complicated or complex lesions require further intervention. Surgical management â¢ Omental (Graham) patch repair; â¢ Revision of gastrojejunostomy; â¢ Irrigation and drainage;
Pyruvic acid supplies energy to living cells through the citric acid cycle (also known as the Krebs cycle) when oxygen is present (aerobic respiration), and alternatively ferments to produce lactate when oxygen is lacking (fermentation).
AMP and ADP will be in abundance, therefore turning on phosphofructokinase. This enzyme will produce fructose 1,6 diphosphate, which will turn on pyruvate kinase to prepare for ATP and pyruvate synthesis.