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NEUROANATOMY<br />
Hypoglossal Nerve (XII): Schema<br />
Hypoglossal nerve (XII)<br />
(in hypoglossal canal)<br />
Meningeal branch<br />
Intrinsic<br />
muscles<br />
of tongue<br />
Superior<br />
longitudinal<br />
Transverse<br />
and vertical<br />
Inferior<br />
longitudinal<br />
Styloglossus<br />
muscle<br />
Hypoglossal nucleus<br />
Occipital condyle<br />
Inferior ganglion of<br />
vagus nerve<br />
Ventral rami of<br />
C1, 2, 3 form<br />
ansa cervicalis<br />
of cervical plexus<br />
Superior cervical<br />
sympathetic<br />
ganglion<br />
Genioglossus<br />
muscle<br />
Geniohyoid muscle<br />
Hyoglossus muscle<br />
Superior root of<br />
ansa cervicalis<br />
Internal carotid artery<br />
Inferior root of ansa cervicalis<br />
Thyrohyoid muscle<br />
Omohyoid muscle<br />
(superior belly)<br />
Sternohyoid muscle<br />
Ansa cervicalis<br />
Internal jugular vein<br />
Common carotid artery<br />
Sternothyroid muscle<br />
Omohyoid muscle (inferior belly)<br />
Efferent fibers<br />
Afferent fibers<br />
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