Sublingual space

Sublingual space is a fascial space (also termed fascial tissue space or tissue space) of the head and neck. It is a potential space located below the tongue, between the mylohyoid muscle and the genioglossus muscle and geniohyoid muscle.

Etymology

The term "sublingual" comes from the Latin words "sub" meaning "under" and "lingua" meaning "tongue".

Anatomy

The sublingual space is a part of the oral cavity, located beneath the tongue. It is bordered by the mylohyoid muscle inferiorly, the genioglossus muscle and geniohyoid muscle superiorly, and the mandible laterally. The sublingual space communicates with the submandibular space and is separated from it by the mylohyoid muscle.

Clinical significance

Infections in the sublingual space can lead to Ludwig's angina, a serious, potentially life-threatening infection of the tissues that define the neck. It can also be involved in sublingual hematoma formation, which can occur after anticoagulation therapy.

Related terms

• Fascial space
• Mylohyoid muscle
• Genioglossus muscle
• Geniohyoid muscle
• Mandible
• Ludwig's angina
• Sublingual hematoma

Sublingual space Resources
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