Mouth Mucosa

**Definition:** Lining of the ORAL CAVITY, including mucosa on the GUMS; the PALATE; the LIP; the CHEEK; floor of the mouth; and other structures. The mucosa is generally a nonkeratinized stratified squamous EPITHELIUM covering muscle, bone, or glands but can show varying degree of keratinization at specific locations.

**Tree numbers:** - A10.615.550.599 - A14.549.512

**Synonyms:** - Oral Mucosa