Lecture 4

Question 1

What are the three colon specialzations?

Answer 1

1) teniae coli
2) epiploic appendages
3) huastra coli

Question 2

Describe jejunum and ileum in terms of their differences from proximal to distal

Answer 2

Proximal to distal:

vasa recta decrease in length, plica circularis decrease in number, arcades increase in number,

Question 3

of the small intestines what % of them is jejunum vs ilieum?

Answer 3

jejunum is 2/5 and ilieum is 1/5

Question 4

What are the significant clinical notes for appendicitis?

Answer 4

vague referred pain at T10, sever pain in lower right quadrant, pain most severe at spinoumbilical point

Question 5

What frames the small intestines anteriorly?

Answer 5

Large intestines

Question 6

What are the three main branches from the celiac trunk?

Answer 6

Common hepatic, left gastric, and splenic aa.

Question 7

What are the major branches of the SMA?

Answer 7

ileocolic, right colic, middle colic, and inferior pancreaticoduodenal aa.

Question 8

What are the main branches of IMA?

Answer 8

left colic, sigmoid, and superior rectal

Question 9

What does the portal vein transmit? from which structures?

Answer 9

transmits deoxygenated nutrient rich blood from

1) spleen
2) pancreas
3) gall bladder
4) abdominal gastrointestinal tract

Question 10

What is the clinical significance of dilated veins?

Answer 10

Besides looking like trash, they can rupture and cause severe hemorrhaging in areas of food passage