Tissues: Muscle

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Author:
DesLee26
ID:
197760
Filename:
Tissues: Muscle
Updated:
2013-02-04 00:02:57
Tags:
BIL 220
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Description:
Tissues Lab
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  1. Skeletal muscle
    Characteristics
    • long fibers (multinuclear fibers) that show striations
    • voluntary
    • fastest contracting muscle
  2. Skeletal muscle
    Lcoation
    muscle attached to bone
  3. Skeletal muscle
    Function
    movement of hte skeleton; movement of the body
  4. Cardiac Muscle
    Characteristics
    • myogenic
    • second fastest contracting muscle
    • single cells with single nuclei that are centrally located
    • cells are often branced
    • striated
    • involvuntary
    • bew one cardiac muscle cell and the next, the end membranes are modified to form electrically coupled intercalated disks
  5. Cardiac Muscle
    Funciton
    • movement of the heart 
    • (heart has own conduction system)
  6. Cardiac Muscle
    Location
    • myocardium
    • middle layer of heart
  7. Smooth Muscle
    Location
    • sheakths 
    • walls of viscera and BV walls
  8. Smooth Muscle
    Function
    movement
  9. Smooth Muscle
    Characteristics
    • made of individual cells that are spindled or fusiformed (fat belly, tapered end)
    • non striated
    • involuntary
    • slowest contracting
    • usually in layers

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