Till: POSTAL MI.Mi:i:\M> 



montlis one still finds all ea\iti. , up to tin- mouth of the glands 

 lined with a thin la\er of cubical or llat epithelial cells. 



Likewise in tin- lirst sta^o there occurs in the int-r-^landular 



an activt- process .f i;r<\\;li, i-sjH'cially in the upper con 

 la\vr. Jn this there are formed spheroidal .struct mv>. .'>0 to 40 ^ 

 in diameter, which have IH-IMI callrd ,/;. /,d cells l>y I-'I;IKI>I. \\DEH. 

 In many place- they lie so C!OM- to-.'t liei- that. a> a consequence 

 and because of their form, they appear v.-ry .similar to an epithelium. 



