Vermilion Border Of Lower Lip: Anatomy, Histology, And Features

Vermilion Border Of Lower Lip: Anatomy, Histology, And Features

Question 1. Vermillion zone of lip 
Answer:

• The transitional zone between the skin of the lip and the mucous membrane of the lip is called the vermillion zone
• The line that separates the skin from the vermillion zone is called the vermillion border
• It is exposed to the atmosphere

Histological features:

Contains:

• Mildly keratinized epithelium
• Numerous, densely arranged long papillae of lamina propria
• It reaches deep into the epithelium
• Carries large capillary loops along with it close to the surface
• Thus it appears red in color
• There are no glands present to keep it moist thus lips require frequent moistening

Question 2. Difference between masticatory mucosa and lining mucosa 
Answer: