22. Mucosa and Musculature of Large Intestine Flashcards
Identify 1 -> 2
- Greater omentum (cut away)
- Transverse colon
Identify 3
- Omental (epiploic) appendices (fat)
Identify 4 -> 6
- Ascending colon
- Ileal orifice
- Cecum
Identify 7
- Vermiform appendix
Identify 8
- Rectum
Identify 9 -> 10
- Sigmoid mesocolon
- Sigmoid colon
Identify 11 -> 12
- Taenia coli
- Descending colon
Identify 13 -> 14
- Haustra
- Semilunar folds
The large intestine includes ___
- cecum (and the appendix)
- ascending colon
- transverse colon
- descending colon
- sigmoid colon
- rectum
- anal canal.
3 characteristic features of the colon
- Sacs of fat (omental appendices)
- taenia coli = longitudinal smooth muscle bands (3 bands exist)
- haustra
4 functions of colon
- dehydration
- compaction of indigestible materials for elimination.
- reabsorption of water and electrolytes
- host defense mechanisms
The transverse and sigmoid colon are (1)___ (peritoneal relations) and are tethered by a (2)___.
- intraperitoneal
- mesentery
Which parts of colon are intraperitoneal?
The transverse and sigmoid colon
Is it intraperitoneal or retroperitoneal organ?
intraperitoneal organ
(Intraperitoneal organs are completely wrapped by visceral peritoneum)
Is it intraperitoneal or retroperitoneal organ?
retroperitoneal organ
(Retroperitoneal organs are found posterior to the peritoneum in the retroperitoneal space with only their anterior wall covered by the parietal peritoneum)
List intraperitoneal organs (8)
- the liver, spleen
- stomach
- superior part of the duodenum
- jejunum
- ileum
- transverse colon
- sigmoid colon
- superior part of the rectum.
