Oral Cavity Diagram
Oral Cavity Diagram. Clinical Anatomy - Nasal Cavity and Sinuses. The oral cavity or mouth is bounded anteriorly by the lips, posteriorly by the faucial arches just anterior to the tonsils, laterally by the cheeks, superiorly by the palate, and inferiorly by the muscular floor (Fig.
It is also called a primary oral cavity because at this time no nasal cavity yet exists.
The oral cavity spans between the oral fissure (anteriorly - the opening between the lips), and the oropharyngeal isthmus (posteriorly - the opening of the oropharynx).
The vast majority of applicable cases are squamous cell carcinomas, but other epithelial and minor salivary. Oral cavity carcinoma staging refers to TNM staging of carcinomas involving the oral cavity. The oral cavity, which is bounded by the lips anteriorly, cheeks laterally, and the oropharynx posteriorly, encloses the tongue, palates, gums, and teeth.
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