Colon Flashcards
The large intestine is composed of what structures?
Cecum
Colon
Rectum
Anus
What part consists of ascending, transverse, descending and sigmoid portions?
Colon
What parts of the large intestine are histologically similar to the colon?
Cecum
Rectum
What is the primary function of the colon?
Absorption of Water
What are the other general functions of the colon?
Compaction, Lubrication, and Elimination of Feces
Produces Some Vitamins as Bacterial By-products
What is the surface epithelium of the mucosa of the colon?
Simple Columnar
The surface epithelium has what types of cells?
Goblet Cells
Surface Absorptive Cells
Regenerative Cells
DNES Cells
The lamina propria of the mucosa is typical and has what?
Intestinal Glands
The mucosa of the colon lacks what?
Villi
Paneth Cells
Is the submucosa of the colon typical?
Yes
The muscularis externa doesn’t have a normal pattern. What is the pattern?
Outer longitudinal Muscle gathered into bands (teniae coli) and it’s discontinous
The constant tons of teniae coli results in sacculations called?
Haustra
In the rectum significant luminal wall folds exist called?
Transverse Rectal Folds
Is there teniae coli in the ME of the rectum?
No
The covering of the rectum includes?
Adventitia
