Histology

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Author:
jknell
ID:
115071
Filename:
Histology
Updated:
2011-11-07 00:16:31
Tags:
Cardiovascular Histology
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Description:
Cardiovascular Histology
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  1. Aorta
    • 1. Tunica Intima (innermost: endo and subendo CT)
    • 2. Tunica Media (middle: SM and elastic tissue)
    • 3. Tunica Adventitia (outermost: loose CT)

    *big lumen, thick tunica media, lots of elastic fibers
  2. Muscular Artery
    • 1. thin Tunica Intima (hardly visible)
    • 2. Internal elastic lamina
    • 3. Thick tunica media (lots of SM)
    • 4. External Elastica Lamina

    *thick wall relative to lumen, remain circular after fixation
  3. Vein
    • -large lumen relative to the walls
    • -valves
    • -thin tunica media
    • -thick tunica adventitia
    • -distorted after fixation
  4. Lymphatic Vessel
    • -VERY large lumen relative to wall
    • -no RBCs in lumen
    • -flattened after fixation
    • -have tunica intima, media and adventitia
    • -have valves
  5. Myocardium
    • *Tunica Media
    • -Purkinge fibers (binucleate, glycogen)
    • -cardiac muscle cells (central nucleus, striations)
  6. Myocardium zoom
    • -single central nucleus
    • -striations
    • -intercalated discs
  7. Skeletal Muscle
    • -multinucleate
    • -striations
    • -no intercalated discs
  8. Smooth Muscle
    • Top: transverse
    • Bottom: longitudinal
    • -mononucleate
    • -no striations

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