Styloglossus

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Styloglossus

Styloglossus (pronounced: sti-lo-glos-sus) is a muscle in the human body that is part of the extrinsic muscles of the tongue. It is one of the four muscles that make up the suprahyoid muscles group.

Etymology

The term "Styloglossus" is derived from the Greek words "stylos" meaning pillar and "glossa" meaning tongue. This is in reference to the muscle's function and location, as it acts like a pillar for the tongue.

Function

The primary function of the Styloglossus is to retract and elevate the tongue. This muscle plays a crucial role in the process of swallowing and speech.

Anatomy

The Styloglossus originates from the styloid process of the temporal bone and inserts into the side of the tongue. It is innervated by the hypoglossal nerve (cranial nerve XII).

Related Terms

  • Extrinsic muscles of the tongue: These are the muscles that control the position and shape of the tongue. They include the Styloglossus, Genioglossus, Hyoglossus, and Palatoglossus.
  • Styloid process: A bony prominence located just below the ear, from which the Styloglossus muscle originates.
  • Hypoglossal nerve: The twelfth cranial nerve, which provides motor innervation to the muscles of the tongue, including the Styloglossus.

See Also

External links

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