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.
retroperitoneal space. the space between the peritoneum and the dorsal abdominal wall. retropharyngeal space. the space behind the pharynx, containing areolar tissue. subarachnoid space. the space between the arachnoid and the pia mater, containing cerebrospinal fluid.subdural space. the space between the dura mater and the arachnoid.etroperitoneal space the space between the peritoneum and the posterior abdominal wall. retropharyngeal space the space behind the pharynx, containing areolar tissue. subarachnoid space the space between the arachnoid and the pia mater, containing cerebrospinal fluid.