The large intestine and appendix Flashcards
1
Q
How are the different parts of the large intestine peritonised?
A
Caecum : Intraperitoneal Ascending colon : Retroperitoneal Transverse colon : Intraperitoneal Descending colon : Retroperitoneal Sigmoid colon: Intraperitoneal
2
Q
What are characteristic features of the large intestine?
A
Teniae coli: strips of the longitudinal muscle
Haustra: protuberance formed from the contraction of the tenure coli
Villi are not present on mucosa
3
Q
What are colic flexures?
A
Sharp bends in the ascending and descending colon
4
Q
What empties opens into the caecum?
A
The appendix
The caecum
5
Q
What does the Ileo-caecal valve define?
A
The boundary between the mid and hind-gut
6
Q
What is mcburny’s point in the appendix
A
- Where the base of the appendix binds to the caecum
- It is 1/3rd of the distance from right iliac crest to umbellicus
- Most tender area in patients with appendicitis
7
Q
which part of the appendix is constant and which part is more variable?
A
Body is more constant
Tail is more variable
