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.
The definition of vain is  someone or something without value, without force or who is conceited. An example of vain is a promise that someone doesn't intend to keep. An example of vain is an attempt to prune a bush only to have it removed the following day. An example of vain is a person who constantly talks about how good looking they are.