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nucleus nervi hypoglossi
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187
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779
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Gray694png
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Section of the Medulla Oblongata at about the middle of the Olive (Hypoglossal nucleus visible top left)
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Gray696png
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The cranial nerve nuclei schematically represented dorsal view Motor nuclei in red sensory in blue (XII labeled at bottom left)
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hier
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754
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n_11
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12581974
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The is a
Cranial Nerve Nucleus , and it extends the length of the
Medulla , and being a motor nucleus, is close to the midline. In the open medulla, it is visible as what is known as the ''hypoglossal trigone'', a raised area (medial to the
Vagal Trigone ) protruding slightly into the
Fourth Ventricle .
In the closed medulla, the
Gracile and
Cuneate Nuclei lie posteriorly, which means the nucleus is not as close to the back of the medulla as in the open medulla. It is, however, still close to the midline.
