106 



IRRITABILITY 



Organs and tissue, which are cut off from all food supply 

 through the blood and lymph, may remain active for many hours. 

 H. V. Baeyer^ has shown that the ganglion cells in the frog, in 

 which saline solution was transfused at room temperature and 



Motor ganglia cells from the spinal cord of the frog. A— In normal state. 

 B— After an asphyxiation lasting 8 to 9 hours. <^After Gordon Holmes.) 



containing no trace of organic substances and where irritability 

 has been increased to the maximal by means of strychnine, were 

 capable of strenuous work for nine or ten hours before losing 



1 H. V. Baeyer: "Zur Kenntniss des Stoffwechsels in den nervosen Centren." Zeit- 

 schr. f. allgem. Physiol. Bd. I, 1902. 



