Oral cavity

The oral cavity is the most proximal portion of the aerodigestive tract, and is continuous posteriorly with the oropharynx.  

Gross anatomy

The oral cavity includes the lips anteriorly and extends to a ring of structures (circumvallate papillae, anterior tonsillar pillars, soft palate) that divides it from the oropharynx. 

The oral cavity is divided into a number of subsites both anatomically and for the purposes of cancer staging:

Related pathology

Head and neck anatomy
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Article information

rID: 9616
System: Head & Neck
Section: Anatomy
Tag: scc, cases, refs
Synonyms or Alternate Spellings:
  • Oral cavity subsites
  • Subsites of the oral cavity

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