1 The average worker in an office uses 10,000 sheets of paper annually. 2  It can cost up to 31 times the original cost to send information on paper (printing, copying, postage, storage, filing, recycling, etc.). 3  7.5 billion documents are created and 15 trillion copies are made each year.
Organs are described as retroperitoneal if they are located behind the parietal peritoneum. Retroperitoneal organs include: the kidneys, adrenal glands, ureters, urinary bladder, part of the oesophagus, rectum, ovaries, uterus, aorta and caudal Vena Cava.
Medical Definition of retroperitoneum. plural. retroperitoneums. or. retroperitonea. \-ËÄ-É\play. : the space between the peritoneum and the posterior abdominal wall that contains especially the kidneys and associated structures, the pancreas, and part of the aorta and inferior vena cava.