The present investigation of the deltamethrin toxicity group showed marked histological lesions including the presence of vacuolization in the lining epithelium of the follicles, hyperemia between follicles and some involuted follicles with minimal amount of colloid
showed marked histological lesions including the presence of vacuolization in the lining epithelium of the follicles,
hyperemia between follicles and some involuted follicles with minimal amount of colloid