Histological Appearances of the Mammalian Pituitary Body 145 



Fk;. 11.— Diagram showing arrangement of the ei)endyma cells lining the central 



cavity of the posterior lohe of an adult cat. 



The ependynia cells send their processes forwards into the neck of the posterior lobe. Drawn 



from a section prepared by Oajal's method. 



'■J-" •>: yr ^■'''\ '^'yr^^:^^'^S^'\^'' -■'^'■ 





.«.jv.si>>s?i;_ d 



^i./r^ i:- '. 



i;- .0^^-!;^ — a 



>^;}^;?;. ^'^ "^- 'Vh -■■" * '■ '■ '' " '" ' 



Fig. 12.— Mesial sagittal section through neck of the posterior lobe 

 of a kitten. Drawing from a section prepared by Cajal's method. 



a, epithelial cells of pars intermedia surrounding neck; 6, outer layer of 

 nervous substance of neck ; c, inner layer of ependynia fibres ; d, ependyina 

 cells lining neck ; c, central cavity of neck. 



