Hypoglossal nucleus
Section of themedulla oblongata. (Hypoglossal nucleus visible top left.)
The cranial nerve nuclei schematically represented; dorsal view. Motor nuclei in red; sensory in blue. (XII labeled at bottom left.)
Details
Identifiers
Latin	nucleus nervi hypoglossi
NeuroNames	757
NeuroLex ID	birnlex_2644
TA98	A14.1.04.227
TA2	6010
FMA	54505
Anatomical terms of neuroanatomy [edit on Wikidata]

Thehypoglossal nucleus is acranial nerve nucleus, found within themedulla. Being a motor nucleus, it is close to the midline. In theopen medulla, it is visible as what is known as thehypoglossal trigone, a raised area (medial to thevagal trigone) protruding slightly into thefourth ventricle.

The hypoglossal nucleus is located between thedorsal motor nucleus of the vagus and the midline of the medulla. Axons from the hypoglossal nucleus pass anteriorly through the medulla forming thehypoglossal nerve which exits between thepyramid andolive in a groove called theanterolateral sulcus.

• Hypoglossal nerve

• 
  Transverse section of medulla oblongata below the middle of the olive.
• 
  Nuclei of origin of cranial motor nerves schematically represented; lateral view.
• 
  Micrograph showing the hypoglossal nuclei in relation to their surrounding structures.
• 
  Micrograph showing the hypoglossal nucleus.H&E-LFB stain.

• Atlas image: n2a6p2 at the University of Michigan Health System
• Stained brain slice images which include the "Hypoglossal nucleus" at theBrainMaps project

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