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Encyclopedia > Hypoglossal trigone
Brain: Hypoglossal trigone
Rhomboid fossa. (Trigonum hypoglossi labeled at center left.)
Latin trigonum nervi hypoglossi
Gray's subject #187 779
NeuroNames hier-632
Dorlands/Elsevier t_19/12823554

In the upper part of the medulla oblongata, the hypoglossal nucleus approaches the rhomboid fossa, where it lies close to the middle line, under an eminence named the hypoglossal trigone. Image File history File links Gray709. ... Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome. ... NeuroNames is a system of nomenclature for the brain and related structures. ... Elseviers logo. ... The medulla oblongata is the lower portion of the brainstem. ... The hypoglossal nucleus extends the length of the medulla, and being a motor nucleus, is close to the midline. ...


This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant. The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ... An illustration from the 1918 edition Henry Grays Anatomy of the Human Body, commonly known as Grays Anatomy after Henry Gray, is an anatomy textbook widely regarded as a classic work on human anatomy. ...


  Results from FactBites:
 
Hypoglossal nerve - Wikipedia, the free encyclopedia (303 words)
The hypoglossal nerve is the twelfth cranial nerve.
It nerve arises from the hypoglossal nucleus and emerges from the medulla oblongata between the olive and the pyramids.
The hypoglossal nucleus extends the length of the medulla, and being a motor nucleus, is close to the midline.
IX. Neurology. 4e. Composition and Central Connections of the Spinal Nerves. Gray, Henry. 1918. Anatomy of the Human ... (8263 words)
Its axons arise from cells in the hypoglossal nucleus and pass forward between the white reticular formation and the gray reticular formation to emerge from the antero-lateral sulcus of the medulla.
The hypoglossal nuclei of the two sides are connected by many commissural fibers and also by dendrites of motor cells which extend across the midline to the opposite nucleus.
The fibers arise from the nucleus of the abducens nerve and pass ventrally through the formatio reticularis of the pons to emerge in the transverse groove between the caudal edge of the pons and the pyramid.
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