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  2. Nucleus ambiguus - Wikipedia

    en.wikipedia.org/wiki/Nucleus_ambiguus

    This nucleus gives rise to the branchial efferent motor fibers of the vagus nerve (CN X) terminating in the laryngeal, pharyngeal muscles, and musculus uvulae; [3] as well as to the efferent motor fibers of the glossopharyngeal nerve (CN IX) terminating in the stylopharyngeus muscle. In addition, it gives efferent fibers to the cranial part of ...

  3. Cranial nerve nucleus - Wikipedia

    en.wikipedia.org/wiki/Cranial_nerve_nucleus

    A cranial nerve nucleus is a collection of neurons (gray matter) in the brain stem that is associated with one or more of the cranial nerves. Axons carrying information to and from the cranial nerves form a synapse first at these nuclei. Lesions occurring at these nuclei can lead to effects resembling those seen by the severing of nerve(s) they ...

  4. Hypoglossal nucleus - Wikipedia

    en.wikipedia.org/wiki/Hypoglossal_nucleus

    The hypoglossal nucleus is a cranial nerve nucleus, found within the medulla.Being a motor nucleus, it 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.

  5. Lateral medullary syndrome - Wikipedia

    en.wikipedia.org/wiki/Lateral_medullary_syndrome

    Medulla oblongata, shown by a transverse section passing through the middle of the olive. (Lateral medullary syndrome can affect structures in upper left: #9=vagus nerve, #10=acoustic nucleus, #12=nucleus gracilis, #13=nucleus cuneatus, #14=head of posterior column and lower sensory root of trigeminal nerve and #19=Ligula.) Specialty: Neurology

  6. Vestibular nuclei - Wikipedia

    en.wikipedia.org/wiki/Vestibular_nuclei

    Name Location Notes medial vestibular nucleus (dorsal or chief vestibular nucleus) : medulla (floor of fourth ventricle) : corresponding to the lower part of the area acustica in the rhomboid fossa; [citation needed] the caudal end of this nucleus is sometimes termed the descending or spinal vestibular nucleus.

  7. Solitary nucleus - Wikipedia

    en.wikipedia.org/wiki/Solitary_nucleus

    The solitary nucleus receives general visceral and special visceral inputs from the facial nerve (CN VII), glossopharyngeal nerve (CN IX) and vagus nerve (CN X); it receives and relays stimuli related to taste and visceral sensation. It sends outputs to various parts of the brain, such as the hypothalamus, thalamus, and reticular formation ...

  8. Dorsal nucleus of vagus nerve - Wikipedia

    en.wikipedia.org/wiki/Dorsal_nucleus_of_vagus_nerve

    The dorsal nucleus of vagus nerve (or posterior nucleus of vagus nerve or dorsal vagal nucleus or nucleus dorsalis nervi vagi or nucleus posterior nervi vagi) [1] is a cranial nerve nucleus of the vagus nerve (CN X) situated in the medulla oblongata of the brainstem ventral to the floor of the fourth ventricle.

  9. Nucleus (neuroanatomy) - Wikipedia

    en.wikipedia.org/wiki/Nucleus_(neuroanatomy)

    The medulla and pons also contain numerous small nuclei with a wide variety of sensory, motor, and regulatory functions. In the peripheral nervous system (PNS), a cluster of cell bodies of neurons (homologous to a CNS nucleus) is called a ganglion. The fascicles of nerve fibers in the PNS (homologous to CNS tracts) are called nerves.

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