An FHA loan is a home loan that is insured by the FHA. 1  In other words, the offers a guarantee to your bank: if you fail to repay the mortgage, FHA will step up and repay the bank instead.
Freebase(0.00 / 0 votes)Rate this definition: Superior mesenteric artery syndrome. Superior mesenteric artery syndrome is a very rare, life-threatening gastro-vascular disorder characterized by a compression of the third portion of the duodenum by the abdominal aorta and the overlying superior mesenteric artery.
Superior mesenteric artery syndrome. Superior mesenteric artery (SMA) syndrome is a gastro-vascular disorder in which the third and final portion of the duodenum is compressed between the abdominal aorta (AA) and the overlying superior mesenteric artery.