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    Image of inflammation in the skeletal muscle from a female Swiss CD-1 mouse in a chronic study
    Skeletal muscle - Inflammation, Acute in a female Swiss CD-1 mouse from a chronic study. A neutrophilic infiltrate has led to necrosis and loss of muscle fibers.
    Image of inflammation in the skeletal muscle from a female Swiss CD-1 mouse in a chronic study
    Skeletal muscle - Inflammation, Acute in a female Swiss CD-1 mouse from a chronic study (higher magnification of Figure 1). There is loss of muscle fibers and a hypereosinophilic degenerative fiber (arrow).
    Image of inflammation in the skeletal muscle from a male B6C3F1/N mouse in a chronic study
    Skeletal muscle - Inflammation, Suppurative in a male B6C3F1/N mouse from a chronic study. A localized collection of intact and degenerating neutrophils is present in the muscle.
    Image of inflammation in the skeletal muscle from a male B6C3F1/N mouse in a chronic study
    Skeletal muscle - Inflammation, Suppurative in a male B6C3F1/N mouse from a chronic study (higher magnification of Figure 3). There is a localized collection of intact and degenerating neutrophils, as well as early neutrophilic infiltration between adjacent muscle fibers.
    Image of inflammation in the skeletal muscle from a female F344/N rat in a chronic study
    Skeletal muscle -Inflammation, Chronic in a female F344/N rat from a chronic study. A mixed mononuclear cellular response is associated with degeneration and loss of muscle fibers.
    Image of inflammation in the skeletal muscle from a female F344/N rat in a chronic study
    Skeletal muscle - Inflammation, Chronic in a female F344/N rat from a chronic study (higher magnification of Figure 5).
    Image of inflammation in the skeletal muscle from a male Sprague Dawley rat in a subchronic study
    Skeletal muscle - Inflammation, Granulomatous in a male Sprague Dawley rat from a subchronic study. A mixture of mononuclear cells, along with multinucleated giant cells, has replaced muscle fibers, and muscle fiber degeneration and mineralization within multinucleated giant cells (arrows) can be seen in the area of inflammation.
    Image of inflammation in the skeletal muscle from a male Tg.Ac (FVB/N) mouse in a subchronic study
    Skeletal muscle - Inflammation, Chronic-active in a male Tg.Ac (FVB/N) homozygous mouse from a subchronic study. A circumscribed area of granulomatous inflammation with multinucleated giant cells (arrow) and neutrophils within an extensive area of chronic-active inflammation surrounds a foreign body consistent with plant material.