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Oral mucosa
The mucosa lining the oral cavity, performing functions such as protective, sensory, and secretory.
Mucous membrane
Moist lining of body cavities that communicate with the exterior.
Epithelium
Avascular basic tissue type that covers and lines external and internal surfaces.
Oral Epithelium
Avascular, superficial layer of oral mucosa overlying the connective tissue (CT) or lamina propria.
Basement Membrane
Extracellular material consisting of a basal and reticular lamina produced by epithelium and connective tissue.
Connective Tissue (CT)
Basic tissue type composed of cells and matrix that connects and supports other tissues.
Lamina Propria
Supportive layer of connective tissue (CT) beneath the epithelium in oral mucosa.
Stratified Squamous Epithelium
Type of epithelium that protects from mechanical forces; forms the 'epidermis'.
Keratinized
Type of stratified squamous epithelium providing greater protection than non-keratinized.
Non-Keratinized Epithelium
Type of epithelium found in areas requiring more flexibility and movement, such as the lining mucosa.
Lining Mucosa
Soft tissue areas in the oral cavity, such as the buccal and labial mucosa.
Masticatory Mucosa
Tissue type found in areas subject to mechanical stress, including the hard palate and attached gingiva.
Specialized Mucosa
Mucosa found on the dorsal and lateral surfaces of the tongue.
Ventral Surface of Tongue
The undersurface of the tongue, closest to the floor of the mouth.
Buccal Mucosa
Mucosa lining the inner cheeks.
Labial Mucosa
Mucosa lining the inner portions of the lips.
Soft Palate
The posterior one-third of the palate, known as the velum.
Clinical Significance of Oral Mucosa
Can reflect signs of underlying health issues, such as systemic conditions or effects of substances like tobacco.
Function of Oral Mucosa
Protects from pathogens, provides sensory functions, aids in absorption and secretion.
Histological Features of Oral Mucosa
Reflects clinical appearance, showing differences between healthy and diseased states.