The large intestine Flashcards
Is there as much villi in the large intestine as there is in the small intestine?
No
What is the epithelium layer of the large intestine like?
It is simple columnar, and has crypts but not villi. Goblet cells and absorptive cells are present. APUD cells are present but sparse.
Is there more or less goblet cells in the large intestine than in the small intestine?
There’s more in the large intestine and therefore the amount of mucus in the large intestine is greater.
Is there more or less goblet cells in the large intestine than in the small intestine?
There’s more in the large intestine and therefore the amount of mucus in the large intestine is greater.
What is the caecum and where does it begin?
Its the first section of the large intestine, it begins at the ileocaecal junction in the right inferior quadrant. It is a pouch of the large intestine and contains the vermiform appendix.
Is the lamina propria,muscularis mucosa and submucosa similar or different in the small and large intestines?
Similar.
What is the function of the large intestine?
The main function of the large intestine is the absorption of ions and water.
Some nutrients are absorbed, especially in the proximal colon.
Intestinal contents are ______ when they enter the large bowel, ______________ produces a more solid mass.
liquid
absorption of water in the colon
How are the intestinal contents moved towards the anus?
The muscles of the colon
Where is the rectum located?
At the terminal part of the large intestine, and begins at the S3 vertebrae.
What is the structure of the outer longitudinal layer of smooth muscle surrounding the large intestine?
It is incomplete.It is divided into three separate bands that run the length of the colon, taeniae coli. The taeniae colon aids peristalsis.
