liver--Bloc two histology

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    glisson capsule (liver)
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    • liver lobule
    • (look for the central vein first(small empty space in middle with not connective tissue), then look for portal triads with connective tissue encasing the lobule.
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    hepatocyte (the spindly looking cells are kupffer cells)
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    • central vein(liver)
    • remember!! no CT
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    kupffer cells=phago black ink
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    portal triad. left to right=portal vein/artery/bile duct
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    space of disse (b/t hepatocyte(right) and sinusoid(left)
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    • sinusoid (liver)
    • note the fenestrations=allows quick transfer
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    bile canaluculi between hepatocytes. note the tight junctions
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    hepatocytes with glycogen. more dense red=more glycogen, less=less
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    Identify the three layers of this tissue
    gallbladder. from left to right

    • Mucosa
    • -simple columnar epithelium (continuous with most of bile duct)
    • -lamina propria

    • Muscularis Externe
    • -layers of mixed smooth muscle

    • Serosa(visceral peritoneum)
    • -this is the "free edge of the gallbladder.
    • -if pressed against the stomach=thicker and now called "adventitia"
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    identify the two cell types. left and right
    • Pancreas/exocrine
    • left=secretory acini=secrete the exocrine stuff
    • right=centroaciner acini=first part of pancreatic duct
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    • intercalated duct (pancreas/exocrine)
    • =the first duct of the pancreatic duct
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    • intralobular duct (pancreas/exocrine)
    • =second part of pancreatic duct (slightly larger than intercalated)
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    • interlobular duct (pancreas/exocrine)
    • =third part of pancreatic duct= has larger connective tissue that interlobular
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    • islets of langerhans (pancreas) 
    • =houses endocrine

Card Set Information

Author:
david.evans
ID:
236923
Filename:
liver--Bloc two histology
Updated:
2013-09-26 00:07:07
Tags:
histology
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Description:
histology block two
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