Ultrasound of the abdomen at the level of the portal confluence and L1. Small line drawing shows level of unltarsound (line C).

Arterial supply of the colon by the superior mesenteric artery (SMA) and the inferior mesenteric artery (IMA). The astericks (*) denote three weak areas in the marginal anastomoses.

Anterior view of the abdominal cavity with all digestive organs removed illustrating the autonomic nervous supply.

Anteroposterior brachial arteriogram.

Anterior view of the abdominal region. Greater omentum, stomach and transverse colon have been reflected upward. Small intestines have been removed to reveal the abdominal aorta bifurcation and the peritoneum of the posterior wall.

Rectum and anal canal. A. Arteries, anterior view.

Sagittal MRI of the abdomen at the left side of the vertebral column. Small image at right shows level of scan (line B).

Anterior view of arterial anastomoses of the elbow.

Deep dissection of abdominal region. Most of small intestine has been removed as well as the mesocolon and peritoneum exposing the underlying psoas muscle and aortic and vena caval bifurcations. Superior gastric plexus is also visible lying on the left

Posterior view of porta hepatis and cystic artery. The attachments of the liver are severed, the inferior border of the liver is raised as indicated in orientation drawing.

Posterior view of the craniovertebral joints, showing the vertebral artery (red).

Head of femur blood supply. A. Anterior view.

Branches of the inferior mesenteric artery.