Lecture #26 - Large intestine and extras

Question 1

1. Go and label that diagram on slide 5 - everything needs to be labelled
2. What are the sigmoid and transverse colon attached by and why?
3. What are the epiploic appendages?
4. Why is the greater omentum in slide 6 shiny?
5. So the longitudinal muscle has changed into what?
6. What is the purpose of illeocecal valve?

Answer 1

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Question 2

1. What is in the appendix? Like what does it store and for what purpose?
2. What will happen if you get an enflamed appendix? (appendicitis) Where will the bacteria spread?

Answer 2

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Question 3

What are the valves made of usually?

Answer 3

CT

Question 4

1. What are the 4 basic layers of the colon?
2. What can the muscularis mucosa help to do (in terms of the gland)
3. Mucosa invaginates to form ______ ______ (simple tubular glands invaginating)
4. What is the difference between the SI’s villi and the intestinal glands of the LI?
5. What two things has the LI lost from the SI in terms of surface area?
6. What other kind of cells exist in the LI? Why?

Answer 4

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Question 5

1. What is the function of the simple tubular glands of the LI?
2. Mucosa = e____ + l____ p____-
3. What does the lamina propria have?
4. Point to the intestinal gland in slide 13
5. Where are progenitor cells found in the LI?
6. So there’s three kinds of cells - m___, p____ and a____
7. Why have lots of mucous cells?

Answer 5

3. Immune cells (the slide suggests that)

Question 6

1. Label everything on slide 15
2. Explain the story of the internal and external sphincter
3. What kind of epithelium is in the anal canal? Why have extra mucous - and how?
4. Why have skin at the end of anus?
5. Yeah, tell me about whether the internal and external sphincters are relaxed or contracted during: rectum empty, rectum full, defecation

Answer 6

3. By having anal sinuses

Question 7

Look at the stool chart - where should you be?

Answer 7

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