Anatomy Flashcards

1
Q

Histology of Small Intestine

A
  1. Mucosa
  2. Submucosa
  3. Circular muscle
  4. Longitudinal muscle
  5. Subserosa
  6. Serosa

  1. Enterocytes/goblet cells + villi + crypts of Lieberkuhn (Paneth & endocrine cells) + lamina propria (Peyers patch - GALT)
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2
Q

What is the role of :
1. Paneth Cells
2. Endocrine Cells
3. Goblet Cells
4. Brunner’s Gland

A
  1. Contain esoinophilic lysozyme rich granules, defensins, immunoglobulins.
  2. Gut hormones
  3. Mucin production
  4. Found in duodenal submucosa. Produce alkaline mucous to neutralize acid.
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3
Q

Histology of Large Intestine

A
  1. Mucosa
  2. Submucosa
  3. Muscularis propria
  4. Sub serosa
  5. Serosa

function: water absorption + storage/elimination of food residues

  1. Circular layer becomes internal anal sphincter. Longitudinal bands called taenia coli.
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