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    • Ear, Canal - Dilation - Gallery

    Image of canal dilation in the ear from a male F344/N rat in a chronic study
    Ear, Canal - Dilation in a male Fischer 344/N rat from a chronic study. Dilation of the external ear canal (arrow), characterized by plugs of sloughed keratin lamellae, cerumen, and necrotic debris that occludes and distends the canal.
    Image of canal dilation in the ear from a male B6C3F1 mouse in a chronic study
    Ear, Canal - Dilation in a male B6C3F1 mouse from a chronic study. The dilated external ear canal (arrow), is distended by sloughed keratin lamellae, cerumen, and necrotic debris that occludes the canal.
    Image of canal dilation in the ear from a male B6C3F1 mouse in a chronic study
    Ear, Canal - Dilation in a male B6C3F1 mouse from a chronic study. This higher magnification image of Figure 2 shows the dilated external ear canal (arrow) plugged with sloughed keratin lamellae, cerumen, and necrotic debris in greater detail.