A large network of nerves called the brachial plexus starts from the spinal nerve roots and lies under the collarbone. The branches of these nerves travel along the humerus down the arm to provide ...

The lumbosacral joint, also called L5-S1, is a term used to describe a part of the spine. L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint ...

Doctors can use MRI to examine a person’s lower spine, lumbar region, and surrounding tissues. MRI of the spine can show spinal alignment, lumbar disk herniation, inflammation, and more.

Grey’s Anatomy is not the longest-running one (that honour belongs to General Hospital, saving lives since 1963). But it is one of the biggest, with a historical weekly audience figure of 37.9mn ...

How does the urinary system work? The urinary system's function is to filter blood and create urine as a waste by-product. The organs of the urinary system include the kidneys, renal pelvis, ureters, ...

The volume of local anesthetic ranges from 0.1 to 0.2 mL/kg (1, 5); the blockade area is limited to the region caudal to the umbilical scar since it provides only lumbosacral plexus anesthesia (L3 to ...