Stomach, Instestinal, and Uterus Smooth Muscle Skip to main content
College of Life Sciences Cell Biology and Physiology
CELL 325: Tissue Biology
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Stomach, Instestinal, and Uterus Smooth Muscle

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Stomach SM.jpg
Stomach SM
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Stomach SM inner.jpg
Stomach SM inner
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Stomach SM middle.jpg
Stomach SM middle
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Stomach SM outer.jpg
Stomach SM outer
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GI smooth muscle 4X.jpg
GI smooth muscle 4X
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Intestinal SM inner.jpg
Intestinal SM inner
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Intestinal SM outer.jpg
Intestinal SM outer
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Intestinal SM.jpg
Intestinal SM
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Uterine SM 4X.jpg
Uterine SM 4X
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Uterine SM 20X.jpg
Uterine SM 20X
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Stomach Smooth Muscle

  • A: Inner oblique muscle layer

    B: Middle circular muscle layer

    C: Outer longitudinal muscle layer

    Three layers of muscle causes the muscularis externa to be seem large when compared with the rest of the GI tract
  • Inner Oblique
  • A: Inner oblique

    B: Middle circular
  • A: Middle circular

    B: Outer longitudinal

    C: Fibroserosa

Intestinal Smooth Muscle

  • A: Muscularis externa has 2 layers which are the same in the small and large intestine

    B: Submucosa is loose connective tissue

    C: Mucosa
  • A: Outer longitudinal muscle layer

    B: Auerbach's plexus is located between the outer and inner muscle layers

    C: Inner circular muscle layer

    D: Submucosa is loose connective tissue

    E: Muscularis mucosa is a thin smooth muscle layer located just beneath the mucosa
  • A: Inner circular muscle layer

    B: Auerbach's plexus
  • A: Inner circular

    B: Auerbach's plexus

    C: Outer longitudinal

    D: Fibroserosa

Uterus Smooth Muscle

  • A: Endometrium

    B: Uterine glands are simple multicellular branched tubular glands

    C: Myometrium is smooth muscle irregualrly arranged and is important in child birth
  • A: Uterine gland

    B: Transverse smooth muscle

    C: Longitudinal smooth muscle

Muscle

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