Nucleus ambiguus

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Cross-section through the elongated pith at the level of the middle of the olives . No. 11 denotes the nucleus ambiguus.

The nucleus ambiguus is a collection of nerve cells ( core area ) in the area of ​​the tegmentum of the medulla oblongata .

It is a visceromotor nucleus whose axons leave the brain via the cranial glossopharyngeal nerves , vagus nerves and accessory nerves . The nerve cells control the muscles of the palate , throat and larynx .

The nucleus ambiguus receives afferents via the tractus corticonuclearis from the cerebral cortex and from the nucleus spinalis nervi trigemini .

literature

  • Mark Buchta: The Physikum. Compendium on the 1st section of the medical examination. 2nd Edition. Elsevier, Urban & Fischer, Munich 2010, ISBN 978-3-437-43051-0 , p. 214.