Location of carbohydrate in the tegument of the procercoid of Spirometra mansonoides.

Carbohydrate distribution within vesicles of the tegumental cytoplasm of the procercoid of Spirometra mansonoides indicated that there are at least three morphologically and histochemically different vesicular types, but only one vesicular type was present in the subtegumental perikarya. This distribution of vesicles and the presence of morphologically intermediate forms could represent either the discontinuous, sequential synthesis of the various vesicular types or continued differentiation of vesicles observed in the synthetic regions of the perikarya once they move to the tegumental cytoplasm.