152 



FRKDKIJK K TILXEY AND LUTHER F. WAKHEX 



( ialeotti 11 " in ISlMi also recognized two types of cells, i.e. r 

 radially/ arranged, cylindrical cells which hound the lumen of 



\\ 



Fig. 75 The pim-:il luxly in Mclc.-i^ris n:illnp:iv<t. :ir<'<>nliii.u, t<> SI utlnirka, IS'.Ki. 



the (i-n;;!ii and small cells l>et\v<eii the larger ones. In the large, 

 cylindrical cells, (ijileolli tound hyaline masses which he con- 

 - dered a secretory produci ultimately delivered to the lumen of 



