2017 Anatomy - Large Intestine, Kidney, SupraRenal Glands

Question 1

What are the parts of the large intestine?

Answer 1

Cecum Appendix Ascending colon Transverse colon Descending colon Sigmoid colon

Question 2

Does the cecum have mesentery or not?

Answer 2

No, it does not

Question 3

What can be tracked backwards towards the appendix to ID it’s location?

Answer 3

Taeniae of the cecum

Question 4

What is the name of the point 1/3 of the way between the ASIS and Umbilicus, used to ID the appendix?

Answer 4

McBurney’s Point

Question 5

Is the Ascending colon intraperitoneal or retroperitoneal?

Answer 5

Retro

Question 6

Is the Transverse colon intraperitoneal or retroperitoneal?

Answer 6

Intraperitoneal

Question 7

Is the Descending colon intraperitoneal or retroperitoneal?

Answer 7

Retro

Question 8

Is the Sigmoid colon intraperitoneal or retroperitoneal?

Answer 8

Intra

Question 9

What are the 3 longitudinal muscular layers of the colon?

Answer 9

Taeniae coli

Question 10

What feature of the colon is a result of the taeniae coli being shorter than the colon itself?

Answer 10

Haustra

Question 11

Which portions of the colon are completely surrounded by the taeniae coli?

Answer 11

Appendix Rectum

Question 12

What are the fatty pouches of the colon called?

Answer 12

Epiploic (omental) appendices

Question 13

What are the branches of the Superior Mesenteric Artery?

Answer 13

Ileocolic - supplies terminal ilium, cecnum, appendix (via appendicular artery) Right Colic - supplies ascending colon Middle Colic - transverse mesocolon to transverse colon

Question 14

What are the branches of the Inferior Mesenteric Artery?

Answer 14

Left colic artery - supplies splenic flexure and descending colon Sigmoid artery - 2-4 branches Superior rectal artery - terminal branch

Question 15

What is the function of the Marginal Artery of Drummond and where are they weakest?

Answer 15

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

Question 16

Which vessels combine to create the portal vein?

Answer 16

Splenic w/ Superior mesenteric later joined by inferior mesenteric

Question 17

Which lymph nodes does the large intestine drain to?

Answer 17

Mostly Pre-aortic nodes

Question 18

Are the kidneys intraperitoneal or retroperitoneal organs?

Answer 18

Retro

Question 19

What 3 structures are in the hilum of the kidney?

Answer 19

Renal vein Renal Artery Renal pelvis

Question 20

Does the right renal artery pass anterior or posterior to the IVC?

Answer 20

Posterior

Question 21

Which renal vein does the testicular or ovarian artery drain into?

Answer 21

Left

Question 22

Where are the renal veins in relation to renal arteries?

Answer 22

Veins are more anterior and inferior to arteries

Question 23

What are the “shapes”of the right and left suprarenal glands?

Answer 23

Right - pyramidal Left - flat, semilunar

Question 24

What are the 3 arteries supplying the suprarenal glands and where do they come from?

Answer 24

Superior - from inferior phrenic artery Middle - direct from aorta Inferior - renal artery

Question 25

Venous drainage from suprarenal glands?

Answer 25

Left - left renal vein Right - IVC