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Skin, Hair Follicle - Dilatation and Cyst - Gallery

Image of dilatation in the skin follicle from a male B6C3F1 mouse in a chronic study
Hair follicle dilatation-ectatic hair follicles with intraluminal keratin (arrows) in a male B6C3F1 mouse from a chronic study.
Image of dilatation in the skin follicle from a male B6C3F1 mouse in a chronic study
Hair follicle dilatation-ectatic hair follicles with intraluminal keratin (arrows) in a male B6C3F1 mouse from a chronic study.
Image of cyst in the skin epithelium from a male B6C3F1 mouse in a chronic study
Epithelial cyst-flattened squamous epithelium surrounding a core of inspissated keratin in a male B6C3F1 mouse from a chronic study.
Image of cyst in the skin epithelium from a female B6C3F1 mouse in a chronic study
Epithelial cyst-ruptured cyst lining and resulting granulomatous inflammation in a female B6C3F1 mouse from a chronic study.
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.