INTERNAL SECRETION OF TESTICLE 



165 



there is an increased demand on the organs of digestion, 

 absorption, circulation and excretion, and that eventually there 

 is an increase of oxidation in general. We know further that 

 some toxic substances such as morphine can be introduced in 

 relatively great quantities without any specific effect in cases 



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Fig. 88. — Section through upper testicular fragment (guinea 

 pig. Prot. Nr. 29). Operation at age of i week; frag- 

 ment removed at age of 4^ months. The smallest 

 fragment ever observed. Some tubules of normal 

 diameter; one stratum only. Highly increased number 

 of interstitial cells. Sex characters underdeveloped, but 

 no signs of castration. — Prepar. of Wagner; design of 

 Lehbert. 



of abuse. I do not intend to deny that flooding the organism 

 with a particular hormone may have an increased specific 

 effect, and cause some disturbance or trouble, such a result 

 being known to occur in the case of certain internal secretions. 

 And in the same manner it is probable that a sudden temporary 

 flooding of the organism with sexual hormones may have an 



