Large intestine Flashcards
What are the parts of the large intestine?
Caecum, appendix
Ascending colon
Transverse colon
Descending colon
Sigmoid colon
Rectum
How does the caecum relate to the appendix?
Appendix is attached to poster-medial end of caecum
What is the name of the junction between the ascending and transverse colon?
Right colic flexure
What is superior to the right colic flexure?
Right lobe of liver
What is the name of the junction between the transverse and descending colon?
Left colic flexure
What is superior to the left colic flexure?
Spleen
When does the descending colon become the sigmoid colon?
As soon as it turns medially
What shape is the sigmoid colon?
S shape
What is significant about the mesentery of the sigmoid colon?
Long mesentery
What are the most movable parts of the colon?
Transverse colon
Sigmoid colon
What are the characteristics of the large intestine that differentiate it from the small intestine?
Shorter length
Wider diameter
Omental appendices
Teniae coli
Haustra
No villi
What are omental appendices?
Small pouches of peritoenum filled with flat
attached to the wall of the large intestines
What are the teniae coli?
The longitudinal layer of the muscularis externae of the large intestine
is made up of three strips of muscle
called the teniae coli
What are haustra?
Sacculations produced by teniae coli contracting to shorten the wall of the large intestine
