Colectomy for colorectal cancer. Laparoscopic colectomy. A colon resection can be done as a less invasive surgery (laparoscopic colectomy) or as a traditional open surgery, which requires your surgical oncologist to make a long incision in the abdomen to perform the surgery.
Definition of hydrological cycle: Continual flow of water between land, sea, and atmosphere, through evaporation, condensation, and precipitation (rain). Dictionary Term of Day Articles Subjects Sign Up
The residence time of a reservoir within the hydrologic cycle is the average time a water molecule will spend in that reservoir (see adjacent table). It is a measure of the average age of the water in that reservoir.