abdominal aorta and branches Flashcards
arteries supplying GI structures are single or double?
single
arteries supplying GI structures branch anteriorly of superiorly?
anteriorly
single, anteriorly branched artery
supplies GI structure or non-GI structure?
GI structure
artery suppling non-GI: paired or single?
paired
artery suppling non-GI: branch anteriorly, laterally and/or posteriorly?
laterally and posteriorly
what are the watershed regions of the colon?
- splenic flexure
- rectosigmoid colon
which arteries supply the splenic flexure?
SMA and IMA
which arteries supply the rectosigmoid colon?
last sigmoid branch from the IMA
superior rectal artery
SMA is short for?
superior mesenteric artery
IMA is short for?
inferior mesenteric artery
celiac artery supplies what?
esophagus, stomach, liver
duodenum till ampulla of Vater
(foregut)
SMA supplies what?
lower duodenum (after ampulla of Vater), jejunum, ileum, proximal 2/3 of colon
(midgut)
IMA supplies what?
distal 1/3 colon, sigmoid, rectum, anal canal till pectinate line
(hindgut)
what is the nutcracker syndrome?
compression of left renal vein between SMA and aorta
compression of left renal vein between SMA and aorta
what is this called?
nutcracker syndrome
nutcracker syndrome: symptoms?
abdominal/flank pain, gross hematuria, left sided varicocele
what is varicocele ?
enlarged veins scrotum
what causes gross hematuria in nutcracker syndrome?
rupture of thin walled renal varicosities