Large intestine Flashcards

0
Q

What is the opening between the ileum and large intestine??

A

the ileocecal sphincter/valve

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1
Q

Where does the large intestine extend from and what are its functions?

A

From the illeocecal junction to the anus and to reabsorb water, compacts the intestinal contents and stores faecal matter and absorbs vitamins

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2
Q

What is the first part of the large intestine and what does it contain?

A

The cecum which is a pouch-like structure that the appendix hangs from it. It contains the illeocecal junction, a sphincter of smooth muscle

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3
Q

What is the colon divided up into?

A

The ascending, transverse, descending and sigmoid colons

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4
Q

Describe the muscularis layer of the large intestine?

A

Inner circular layer and outer longitudinal layer

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5
Q

What does the longitudinal muscle of the large intestine produce?

A

3 bands called taenie colon which contract and gather up into pouches called haustra to permit expansion of the intestine

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6
Q

What are the fat filled connective tissue pouches on the serosa called?

A

Epiploic appendages or omental appendages

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7
Q

What is the mucosa made of and what types of cells does it contain?

A
Simple columnar epithelium with no plicae so forms into tubular glands called crypts which contain
1. absorptive 
2. goblet
3. granular 
which congeal the faeces together
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