Lip: Vermilion zone
The vermilion zone is lined by a thick keratinized, stratified squamous epithelium and hair follicles are lacking. The numerous, densely packed dermal papillae of the lamina propria allow blood vessels close access to the surface, imparting a red color to this zone. The image on the right shows these details at higher magnification 100x, 400x
Vermilion zone
The vermilion zone is lined by a thick keratinized, stratified squamous epithelium and hair follicles are lacking. The numerous, densely packed dermal papillae of the lamina propria allow blood vessels close access to the surface, imparting a red color to this zone. The image on the right shows these details at higher magnification 100x, 400x
- Dermal papillae
The vermilion zone is lined by a thick keratinized, stratified squamous epithelium and hair follicles are lacking. The numerous, densely packed dermal papillae of the lamina propria allow blood vessels close access to the surface, imparting a red color to this zone. The image on the right shows these details at higher magnification 100x, 400x
- Blood vessels
The vermilion zone is lined by a thick keratinized, stratified squamous epithelium and hair follicles are lacking. The numerous, densely packed dermal papillae of the lamina propria allow blood vessels close access to the surface, imparting a red color to this zone. The image on the right shows these details at higher magnification 100x, 400x
Orbicularis oris muscle
The vermilion zone is lined by a thick keratinized, stratified squamous epithelium and hair follicles are lacking. The numerous, densely packed dermal papillae of the lamina propria allow blood vessels close access to the surface, imparting a red color to this zone. The image on the right shows these details at higher magnification 100x, 400x
Image source >
This image was taken of a slide from the University of Michigan collection.
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