A. Prezelcha, M. Sarzala, A. W roniszewsTca and W. Zawadzka, 



Cytochefnical investigation of the intestinal phosplmtases 



SSt 



' <^ wf i- * 



Fig. I Localization of some intestinal phosphatases and esterases in the intestine of 

 feeding larvae during the last period of growth. Fig. I — 1. Alkaline phosphatase, azo 

 coupling method. Fig. I ^ — 2. 5-Bromoindoxyl acetate esterase. Fig. I • — 3. Tween 20 

 esterase. Fig. I — 4. Tween 60 esterase. Fig. 1 — 5. Acid phosphatase, Goniori' method. 

 Fig. I — 6. a-naphtyl acetate esterase, diazo salt 6. Fig. I — 7. Tween 40 esterase. 



Fig. I — 8. Tween 80 esterase. 



