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12 Cards in this Set
- Front
- Back
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Where is a central lacteal found? What do they do?
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Within the middle of the villi--it is a blind end lymphatic vessel
They help absorb fluid and converge with venous flow |
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Which is found within microvilli--actin or microtubules?
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ACTIN
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What are plicae curclares?
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Permanent folds of mucosa and submucosa that are prominent in the distal duodenum and jejunum and reduced in size and number in the ileum
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True/False: Villi are strictly localized to the small intestine
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TRUE
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True/False: Each enterocyte has one microvilli projecting off of it
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FALSE--they have hundreds
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True/False: Goblet cells possess many microvilli that assist in secretion
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FALSE--they don't have any
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What is the basic instestinal absorptive cell?
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Enterocyte
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True/False: Proliferation on villi always starts at the base and moves up
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True
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What are defensins and what secretes them?
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Paneth cells--antimicrobials
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What are enteroendocrine cells?
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Cells that release things like gastrin, cholecystokinin
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What are Peyer's patches
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Areas that contain M cells
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What do M cells do?
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Specialized cells that sit on top of the Peyer's patches
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