Figure 17.7a

Superior mediastinum

Arch of aorta

Arteries

Abdominal aortic aneurysm involves a widening, stretching, or ballooning of the aorta. There are several causes of abdominal aortic aneurysm, but the most common results from atherosclerotic disease. As the aorta gets progressively larger over time there is increased chance of rupture.

(1) inferior phrenic arteries (scarecrow's eyes) (2) celiac trunk (nose) - gives rise to the hepatic and splenic arteries (right and left sides of moustache) and left gastric artery (nose bent to left) (3) superior mesenteric artery (mouth) (4) renal arteries (scarecrow's arms) (5) ovarian (or testicular) arteries (scarecrow's breasts) (6) inferior mesenteric artery (scarecrow's umbilicus) (7) common iliac arteries (scarecrow's legs) (8) 4 paired lumbar arteries (scarecrow has a hairy trunk).

Arteries of the Abdomen Figure 18.21d

Arteries of the Abdomen Figure 18.21c

Venous system

Superficial veins of hand

basilic: adjective, Greek basilikos = royal (king-sized) cephalic: adjective, Greek kephale = head. external jugular v. Note the "W"-shaped structure where the external jugular vein crosses the internal jugular vein, arising from the 'junction of facial(6), retromand ibular (7)and posterior auricu lar(8) veins.

Median cubital

Head and Neck Latin jugulum = neck external jugular v. Note the "W"-shaped structure where the external jugular vein crosses the internal jugular vein, arising from the 'junction of facial(6), retromand ibular (7)and posterior auricu lar(8) veins.

Brachiocephalic veins