| Shark Brain, Dorsal View
1. olfactory sac 2. olfactory bulb (I) 3. olfactory tract (I) 4. nervus terminalis 5. olfactory lobes 6. cerebral hemisphere 7. tela choroidea 8. optic lobe 9. cerebellum 10. auricles 11. medulla oblongata 12. spinal cord 13. deep opthalmic nerve (V) 14. superficial opthalmic trunk (V & VII) 15. mandibular nerve 16. hyomandibular nerve 17. anterior semircular duct 18. horizontal semircular duct 19. posterior semircular duct 20. sacculus 21. superior oblique 22. superior rectus 23. lateral rectus 24. inferior oblique 25. inferior rectus 26. medial rectus 27. quadratomandibularis 28. spiracle
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