NERVES 



. Falx cerebri. 2, 2. Its convex bo 

 der, with the great longitudinal sinu 

 3. Its concave border. 4,4. Inferic 

 longitudinal sinus. 5. Base of fal 

 cerebri. 6. Straight sinus. 7. Ape 

 of falx cerebri. 8. Right half of tr 

 tentorium, seen from below. 9. Rig) 

 lateral sinus. 10. Superior petros; 

 sinus. 11. Inferior petrosal sinu: 

 12. Posterior occipital sinus. 13. Fal 

 cerebelli. 14. Optic nerve. 15. Mote 

 oculi. 16. Pathetic. 17. Trigeminu: 

 18. Abducens. 19. Facial and aud 

 tory nerves. 20. Glosso-pharyngea 

 pneumogastric and spinal accessor 

 nerves. 21. Hypoglossal nerve. 2 

 First cervical nerve. 23. Second cei 

 vical nerve. 24, 24. Upper e> 

 tremity of ligamentum denticulaturt 



Medisection of Brain. Points of Exit of Nerves. 



1. Floor of fourth ventricle. 2. Supc 

 rior cerebellar peduncle. 3. Middi 

 cerebellar peduncle. 4. Inferior cert 

 bellar peduncle. 5. Enlargement a 

 upper extremity of postero-media 

 column. 6. Glosso-pharyngeal new 

 7. Vagus. 8. Spinal accessory. < 

 9, 9, 9. Ligamentum denticulatiirr 

 io, io, io, 10. Posterior root: 

 of spinal nerves. 11, 11, U, H 

 Postero-lateral fissure. 12, 12, 12. 

 Ganglia of posterior roots. 1 

 Anterior roots. 14. Division of unit 

 roots into anterior and 

 nerves. 15. Terminal extremity <| 

 cord. 16, 16. Filum terminals 

 17. Cauda equina I, VIII. Cervic»l 

 nerves. I, XII. Dorsal nerves. I.\ 

 Lumbar nerves. I, V. Sacral nerves, 



Superior or Cervical 

 Segment of Spinal 

 Cord. 



Middle or Dorsal 

 Portion of Cord. 



Inferior Portion of 

 Cord and Cauda 

 Equina. 



