Floor of mouth

Dr Henry Knipe et al.

The floor of mouth is an oral cavity subsite and is a common location of oral cavity squamous cell carcinoma

Gross anatomy

The floor of mouth is a U-shaped space extends (and includes) from the oral cavity mucosa superiorly, and the mylohyoid muscle sling 2,3

Boundaries
  • superiorly: oral mucosal space
  • inferiorly: mylohyoid muscle 3
  • anteriorly: mandibular gingiva
  • posteriorly: anterior tonsillar pillar 2
Contents
Relations

Related pathology

Head and neck anatomy
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Article information

rID: 46055
System: Head & Neck
Section: Anatomy
Tag: cases
Synonyms or Alternate Spellings:
  • Floor of the mouth

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