Glomerulonephritis is a type of kidney disease and causes swelling, abnormal urine, fever, achiness, and more. Gonorrhea is an sexually transmitted diseases and can cause painful urination and penile discharge. Interstitial cystitis is a condition that causes pain in the bladder or pelvic area, and frequent urination.
From Wikipedia, the free encyclopedia. A futile cycle, also known as a substrate cycle, occurs when two metabolic pathways run simultaneously in opposite directions and have no overall effect other than to dissipate energy in the form of heat.
1. cardiac cycle-the complete cycle of events in the heart from the beginning of one heart beat to the beginning of the next; an electrical impulse conducted through the heart muscle that constricts the atria which is followed by constriction of the ventricles; the cardiac cycle can be shown on an electrocardiogram.