[Ill PITUITARY BODY 



771 



lobo of the pituitary is intact. Even surgical manipulation of the pitui- 

 tary may excite a hyp etion of pituitrin, which would 

 the glycosuria often observed after experimental i partial 

 destruction <>t' the pituitary. A similar irritation may be Bel up in • 

 of tlir gland. , 



Tin' glycosuria which is usually observed after partial hypoph; my 



Boon passes off, to be followed by a permanent '-"li.lii ■ 

 tolerance for sugar, because now Less pituitrin is being produced. 'It is 

 sai.l thai during the stage of increased tolerance diab< n nol ; 



duced even by excision of the pancreas. The glycosuria produced by 



irritation of the posterior lobe is a< npanied by a marked polyuri 



betes insipidus), which may outlast tin- glycosuria. 



A. 



B. 



Fig. 199. — A, To show the ai>] carai<cc before the 



its of thi I 



Clinica.1 Characteristics 



Because of their importance from a physiological standpoint, we ^1 

 now proceed to review briefly some of the more important farts that 1 

 s.i far been broughl to I i -_r 1 » t by clinical observations. The path- _ 

 condition most frequently observed affecting the pituitar; adenom- 



atous growth particularly Located in the anterior Li !'•• 



ducing general symptoms of pressure, such as diminution of the visual 

 field ami, perhaps, headache, a shadow can usually be the 



patient is examined by means of the \-ra.\ ieral 



i 1 1 < 1 1 1 1 \ ascribed to a h\ persecretion of the nutacoid 

 the pituitary hyperpituitarism begrin sooner 



