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Muscle Tissue: composed of cells (‘fibers’) specialized for contraction Skeletal PowerPoint Presentation
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Muscle Tissue: composed of cells (‘fibers’) specialized for contraction Skeletal . Muscle Tissue: composed of cells (‘fibers’) specialized for contraction Skeletal Cardiac. Muscle Tissue: composed of cells (‘fibers’) specialized for contraction Skeletal Cardiac Smooth.

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Presentation Transcript
slide3
Muscle Tissue: composed of cells (‘fibers’) specialized for contraction
    • Skeletal
    • Cardiac
    • Smooth
slide4
Muscle Tissue: composed of cells (‘fibers’) specialized for contraction
    • Skeletal
    • Cardiac
    • Smooth
    • All muscle tissues have a reticular fiber matrix
slide5
Skeletal Muscle Tissue
    • Composed of closely packed skeletal muscle cells
slide6
Skeletal Muscle Tissue
    • Features of skeletal muscle cells:
      • Striated
      • Can be very long
      • Multinucleated
      • Cannot divide, but new cells can be produced from “satellite cells”
      • Require neural stimulation
slide7
Skeletal Muscle Tissue
    • Features of skeletal muscle cells:
      • Striated
      • Can be very long
      • Multinucleated
      • Cannot divide, but new cells can be produced from “satellite cells”
      • Require neural stimulation
      • Voluntary
slide9
Functions of Skeletal Muscle Tissue
    • Voluntary movement
    • Forms some sphincters
slide10
Functions of Skeletal Muscle Tissue
    • Voluntary movement
    • Forms some sphincters
    • Protection of some organs
    • Stabilization of some joints
    • Posture
    • Heat production
slide11
Cardiac muscle tissue
    • Features of cardiac muscle cells
      • Striated
      • Branched
      • Intercalated disks
      • Cannot divide
      • No satellite cells
      • Contract rhythmically
slide13
Cardiac muscle tissue
    • Features of cardiac muscle cells
      • Striated
      • Branched
      • Intercalated disks
      • Cannot divide
      • No satellite cells
      • Contract rhythmically
      • No neural stimulation required
slide14
Smooth muscle tissue
    • Composed of smooth muscle cells
    • Features of smooth muscle cells
      • Non-striated
      • May not require neural stimulation
      • Can divide
      • Involuntary
slide15
Functions of smooth muscle
    • Internal movement of food, etc.
    • Blood vessel diameter
    • Bronchiole diameter
    • Pupil diameter
slide16
Neural Tissue
    • Composed of neurons and glial cells (neuroglia)
slide17
Neural Tissue
    • Features of neurons
slide18
Neural Tissue
    • Features of neurons
      • Cell body (soma)
slide19
Neural Tissue
    • Features of neurons
      • Cell body (soma)
slide20
Neural Tissue
    • Features of neurons
      • Cell body (soma)
      • Dendrites
slide21
Neural Tissue
    • Features of neurons
      • Cell body (soma)
      • Dendrites
      • Axons (nerve fibers)
slide24
Neural Tissue
    • Features of neurons
      • Cell body (soma)
      • Dendrites
      • Axons (nerve fibers)
      • Cannot divide (?)