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Home  »  Anatomy of the Human Body  »  pages 783

Henry Gray (1825–1861). Anatomy of the Human Body. 1918.

pages 783



FIG. 698– Primary terminal nuclei of the afferent (sensory) cranial nerves schematically represented; lateral view. The olfactory and optic centers are not represented. (See enlarged image)


FIG. 699– Diagram showing the course of the arcuate fibers. (Testut.) 1. Medulla oblongata anterior surface. 2. Anterior median fissure. 3. Fourth ventricle. 4. Inferior olivary nucleus, with the accessory olivary nuclei. 5. Gracile nucleus. 6. Cuneate nucleus. 7. Trigeminal. 8. Inferior peduncles, seen from in front. 9. Posterior external arcuate fibers. 10. Anterior external arcuate fibers. 11. Internal arcuate fibers. 12. Peduncle of inferior olivary nucleus. 13. Nucleus arcuatus. 14. Vagus. 15. Hypoglossal. (See enlarged image)
  (5) The posterior external arcuate fibers also take origin in the gracile and cuneate nuclei; they pass to the inferior peduncle of the same side. It is uncertain whether