CHEEKS

MUCOSA (mucous membrane)

Composition: stratified squamous nonkeratinizing epithelium and lamina propria (loose connective tissue).

SUBMUCOSA

Composition: irregular dense connective tissue, fibroelastic strands, blood and lymphatic vessels, nerves.

MUSCLE LAYER

Composition: striated skeletal muscle with flat elastic fibers and salivary glands - gl. buccales.

Query  to the TRRD database:
genes expressing in MUCOSA and SUBMUCOSA
Select species:            
All       Human     Murine