â¢ PAST (noun) The noun PAST has 3 senses: 1. the time that has elapsed. 2. a earlier period in someone's life (especially one that they have reason to keep secret) 3. a verb tense that expresses actions or states in the past. Familiarity information: PAST used as a noun is uncommon.
The kidneys are located on either side of the body underneath the diaphragm near the lower back. Each kidney is connected to the bladder in the pelvis by ureters (long tube-like structures) that drain the urine from the kidneys to the bladder. Urine stored in the bladder is excreted from the body through the urethra.
A cyst is a closed pouch or sac filled with air or liquid. Simple kidney cysts are usually small round sacs that have a thin wall and are filled with a watery fluid. As people get older, cysts can form on the surface or in the nephrons of the kidneys. They can range in size from a small pea to as large as a grapefruit.imple Kidney Cysts. Kidneys are bean-shaped organs located in the lower back. The kidneys help to control the amount of salt and water in the body, and also remove waste products by filtering the blood and making urine.