retroperitoneal. Term used to describe organs that are located between the parietal peritoneum and posterior abdominal wall. Example organs include the kidneys, adrenal glands, pancreas, duodenum of small intestine, ascending and descending colons and the abdominal aorta and inferior vena cava.
Technical definition, belonging or pertaining to an art, science, or the like: technical skill. See more.
A technical specification is a document that defines a set of requirements that a product or assembly must meet or exceed. A product or assembly that does not meet all of the specifically expressed requirements does not meet the specification, and often is referred to as being out of specification or out of spec..