Exploration of the basal aspects of the medulla, pons and cerebellum

Foramen of Luschka

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Image #28-4

Exploration of the basal aspects of the medulla, pons and cerebellum

Foramen of Luschka

The rootlets of nerves IX, X, and XI have been turned medially to expose the lateral aperture of the fourth ventricle from which choroid plexus protrudes.

1. Vestibulocochlear nerve (VIII)
2. Facial nerve (VII)
3. Pons
4. Flocculus
5. Glossopharyngeal nerve (IX), vagus nerve (X) and accessory nerve (XI) (turned medially across medulla)
6. Choroid plexus fourth ventricle
7. Lateral aperture fourth ventricle (foramen of Luschka)
8. Cerebellar tonsil (ventral paraflocculus)
9. Anterior inferior cerebellar artery
10. Abducens nerve (VI)
11. Pyramid (medulla oblongata)
12. Hypoglossal nerve (XII)
13. Posterior inferior cerebellar artery
14. Vertebral artery right