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The ultrastructure of the oviduct cells of several aged Sitophilus granarius females is described. Ageing causes extensive ultrastructural changes in the organelles of the columnar epithelial cells of the lateral oviduct including an increase in autophagic vacuoles and Golgi complexes, together with a decrease in secretory vesicles.

Studies on ultrastructural changes in the lateral oviduct of the coleopteran Sitophilus granarius (L.) with ageing.