Over the course of October in Minneapolis, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 30 minutes, implying an average daily decrease of 2 minutes, 60 seconds, and weekly decrease of 20 minutes, 58 seconds.
Retroperitoneal hemorrhage (or retroperitoneal hematoma) refers to an accumulation of blood found in the retroperitoneal space. It can present with Grey Turner's sign (flank bruising). Causes include: 1  anticoagulation. 2  a ruptured aortic aneurysm. 3  a ruptured renal aneurysm. 4  acute pancreatitis. 5  malignancy.
Number 3 represents the genitofemoral nerve. The retroperitoneal approach to the lumbar spine is commonly used for anterior lumbar corpectomies, fusions, and total disc replacements. The approach is usually performed from the left as the aorta is more resistant to damage than the inferior vena cava (IVC). The bifurcation occurs over the vertebral body of L4.