THE PITUITARY BODY 



phragm, but a fold of "primary dura" separates the pars 

 intermedia from the pars neurahs. Apparently a somewhat 



TABLE II 



The Proportion of the Different Parts of the Pituitary Body 



(Italics: Percentage of Pars Buccalis [Epithelial Part]. 



Roman: Percentage of Pituitary Body without Pars Tuberalis) 



Pars 

 Glandu- 



Pars 

 Inter- 

 media 



Pars 

 Tuber- 

 alis 



Pars 



Neuralis 



Frog 



Urodele ai 

 phibia. . . 



Mouse. 

 Mouse. 



Rat. 

 Rat. 



Rat. 

 Rat. 



Cat. . 



Man. 



Man. 



Man 



Man. 

 Man. 



(16.5 g.) 

 (20.0 g.) 



Adult 

 Adult 



Adult 

 Adult 



7-9 mos. 

 fetus 



9 mos. 

 fetus 



Adult 



Adult 

 Adult 



Male 

 Female 



Male 

 Castrate 



Female 

 Pregnant 

 female 



74 

 72-95 



Male 



Female 



Pregnant 

 female 



84 



25 

 4-14 



•9 

 19 



6.7 

 4-3 

 3-4 



3.6 

 16 



25 



I-I7 



25 



Atwell (1926) 

 Sailer (1933) 

 Stein (1933) 



Stein (1934) 

 Atwell (1926) 

 Atwell (1926) 



Covell (1927) 



Rasmussen 

 (1928) 



Rasmussen 



(1934) 



Rasmussen 



(1934) 



similar separation of the pars glandularis from the pars neu- 

 ralis occurs in two aquatic mammals, the porpoise (Wislocki, 

 1929) and the whale (Valso, 1934, and particularly Gelling, 

 1935, and Wislocki and Gelling, 1936). 



