Lingual septum

The Lingual Septum is a fibrous structure located in the middle of the tongue. It extends from the tongue's root to its tip and is responsible for the tongue's shape and movement. The lingual septum is not visible as it is covered by the tongue's muscular tissue.

Etymology

The term "Lingual Septum" is derived from two Latin words. "Lingual" comes from "lingua," which means tongue, and "Septum" comes from "septum," which means a partition or a dividing structure.

Anatomy

The Lingual Septum is a midline fibrous structure that extends the entire length of the tongue. It is composed of connective tissue and is covered by the tongue's muscular tissue. The Lingual Septum is anchored to the hyoid bone and the mandible via the genioglossus muscle.

Function

The Lingual Septum serves as a point of attachment for the tongue muscles, allowing for the various movements of the tongue. It also helps to maintain the shape of the tongue.

Clinical Significance

Abnormalities or injuries to the Lingual Septum can affect the tongue's movement and shape, leading to difficulties in speech, swallowing, and taste sensation. Conditions such as ankyloglossia (tongue-tie) and macroglossia (enlarged tongue) can be associated with abnormalities in the Lingual Septum.

Related Terms

• Tongue
• Hyoid bone
• Mandible
• Genioglossus muscle
• Ankyloglossia
• Macroglossia

• 
  Gray's Anatomy illustration of the lingual septum