FIG. 42. Photograph showing a thyroidectomised cretin lamb (left) 

 about fourteen months old, and a normal sheep (right) of the 

 same age 



The thyroids (with the parathyroids) had been removed from the cretin about twelve months 

 previously (Sutherland Simpson). 



(From " The Endocrine Organs," E. S. Schafer. Longmans.) 



