A. Przelecka and A. Wroniszewska, Cytochemical distribution of phosphatases . 



up % 



w ^-^^ЯЖ-^*» Як V < ^ 





:J^ 'X^^ 





15 : 





re/) 





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,17 





Fig. II — 10. 5-Bromoindoxyl acetate esterase. Fig. II — 11. ß-naphtyl acetate esterase, 



d. s. 6. Fig. II. — 12. Tween 80 esterase. Fig, II — 13. Tween 20 esterase. Fig. II — 14. 



5-Bromoindoxyl acetate esterase in Malpighian tubes of adults. Fig. II. — 15. and 16. 



ß-naphtyl acetate esterase, d. s. 6. Fig. 11 — 17. Tween 20 esterase. 



More detailed explanation in text. 



Abbreviations: up — upper part of the tube, Ip — lower part of the tube, с — canaliculi, 



en — cell nucleus, bb — brush border, m ер — midgut epithelivmi, in — intestine. 



