Terminal sulcus of tongue

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Terminal sulcus of tongue
The entrance to the larynx, viewed from behind. (Sulcus terminalis is labeled at center top .)
Illu04 tongue.jpg
Tongue. (Terminal sulcus is not labeled, but it is visible at approximately the level of the circumvallate papillae.)
Latin sulcus terminalis linguae
Gray's p.1125
Anatomical terminology

The Terminal sulcus of tongue is an organ found on the dorsal surface of the tongue in the oral cavity.

The dorsum of the tongue is convex and marked by a median sulcus, which divides it into symmetrical halves; this sulcus ends about 2.5 cm. from the root of the organ, in a depression called the foramen cecum, from which a shallow groove, the terminal sulcus, runs laterally and forward on either side to the margin of the tongue. This sulcus divides the tongue into pharyngeal and oral parts. The pharyngeal part is supplied by glossopharyngeal nerve and the oral part is supplied by the lingual nerve (a branch of the mandibular branch (V3) of the trigeminal nerve) for somatosensory perception and by the chorda tympani (a branch of the facial nerve) for taste perception.

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This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

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