(IMAGE (TYPE "GIF")
       (PATH "gifs/Syllabus Chapters/Motoneurons/nuc10p.gif"))
(OUTLINE-COLOR (NAME "YELLOW"))
(STRING-COLOR (NAME "RED"))
(PIN-COLOR (NAME "RED"))
(FRAME-INFO (STRING "Rostral Medulla, Computer Reconstruction. This image is the same as in Frame 27. This reconstruction shows some of the components of the vagus nerve \(X\). Focus on the general visceral efferent fibers of the vagus that arise in the dorsal motor nucleus of the vagus \(blue\), a long, thin nucleus that lies medial to the solitary nucleus \(red\). Rootlets of the vagus nerve emerge in a line just caudal to the rootlets of the glossopharyngeal nerve and converge to form a trunk that exits the skull through the jugular foramen. The vagus is the longest nerve in the body, supplying structures from the head and neck down to the splenic flexure of the large intestine. Like the glossopharyngeal nerve, the vagus has a number of components. Its motor components supply \(1\) the palatoglossus muscle, and muscles of the larynx \(except stylopharyngeus and tensor palatini\) and pharynx \(special visceral efferents\) and \(2\) parasympathetic innervation to smooth muscle and glands in the pharynx, larynx, thoracic and abdominal viscera \(general visceral efferents\). The motor nucleus for the striated muscles of the larynx and pharynx is the nucleus ambiguus \(green\) and the motor nucleus for the parasympathetic efferents is the dorsal motor nucleus of the vagus \(blue\). Sensory fibers that enter the brainstem in the vagus nerve and terminate in the solitary nucleus \(red\) and spinal trigeminal nucleus \(yellow\) are also shown."))
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