ANATOMY AND PHYSIOLOGY OF NERVOUS SYSTEM. 



647 



convolution which winds around the ends of the anterior and ascend- 

 ing limbs of the fissure of Sylvius. It is characteristic in that it is 

 the speech-center and also that it is better developed upon the left 

 side in right-handed people. 



Fig. 255. The Brain-structures from the Thalamus to the Spinal Cord 

 (the "Brain-stem"). (EoiNGER.) 



The cerebellum divided, and removed on the left. Bindearm, Peduncle. 

 Hinterhirn, Hindbrain. Hirnschenkel, Crus Cerebri. Kleinhirn, Cerebellum. 

 Mittelhirn, Midbrain. Nachhirn, After-brain. Ruckenmark, Spinal Cord. 

 Zwischenhirn, Interbrain. 



On the internal, or mesial, aspect of the hemispheres are the 

 blowing fissures and convolutions: The convolution immediately 

 nmding the corpus callosum is termed the gyrus fornicatus; the 



