What are the parts of the large intestine?
Cecum Appendix Ascending colon Transverse colon Descending colon Sigmoid colon
Does the cecum have mesentery or not?
No, it does not
What can be tracked backwards towards the appendix to ID it's location?
Taeniae of the cecum
What is the name of the point 1/3 of the way between the ASIS and Umbilicus, used to ID the appendix?
Is the Ascending colon intraperitoneal or retroperitoneal?
Is the Transverse colon intraperitoneal or retroperitoneal?
Is the Descending colon intraperitoneal or retroperitoneal?
Is the Sigmoid colon intraperitoneal or retroperitoneal?
What are the 3 longitudinal muscular layers of the colon?
What feature of the colon is a result of the taeniae coli being shorter than the colon itself?
Which portions of the colon are completely surrounded by the taeniae coli?
What are the fatty pouches of the colon called?
Epiploic (omental) appendices
What are the branches of the Superior Mesenteric Artery?
Ileocolic - supplies terminal ilium, cecnum, appendix (via appendicular artery) Right Colic - supplies ascending colon Middle Colic - transverse mesocolon to transverse colon
What are the branches of the Inferior Mesenteric Artery?
Left colic artery - supplies splenic flexure and descending colon Sigmoid artery - 2-4 branches Superior rectal artery - terminal branch
What is the function of the Marginal Artery of Drummond and where are they weakest?
Series of anastomses between superior and inferior mesenteric arteries forming a continuous channel along large intestine. Weakest: junction of ileocolic and right colic arteries junction of middle colic and left colic arteries
Which vessels combine to create the portal vein?
Splenic w/ Superior mesenteric later joined by inferior mesenteric
Which lymph nodes does the large intestine drain to?
Mostly Pre-aortic nodes
Are the kidneys intraperitoneal or retroperitoneal organs?
What 3 structures are in the hilum of the kidney?
Renal vein Renal Artery Renal pelvis
Does the right renal artery pass anterior or posterior to the IVC?
Which renal vein does the testicular or ovarian artery drain into?
Where are the renal veins in relation to renal arteries?
Veins are more anterior and inferior to arteries
What are the "shapes"of the right and left suprarenal glands?
Right - pyramidal Left - flat, semilunar
What are the 3 arteries supplying the suprarenal glands and where do they come from?
Superior - from inferior phrenic artery Middle - direct from aorta Inferior - renal artery
Venous drainage from suprarenal glands?
Left - left renal vein Right - IVC