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A histochemical analysis of the retrocerebral endocrine glands of four heteropteran bugs, viz. Sphderodema rusticum Fabr., Ranatra filiformis Fabr., Enithares indica Fabr. and Spilostethus pandurus has been made. Histochemical tests for various types of carbohydrates, proteins, lipids, nucleic acids, etc. have been made. The reaction of different types of cells of the endocrine glands viz. chromophil, chromophobe and CA cells have been studied.  相似文献   

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