Investigation of midgut's ultrastructure of Notonecta viridis Decourt, 1909 and Notonecta maculata Fab., 1794 Hemiptera:Notonectidae

Year 2014, , 7 - 11, 31.12.2014

Menderes Suicmez Rana Ozmen

https://doi.org/10.17350/HJSE19030000002

Cited By: 1

Abstract

I n this study, midgut’s ultrastructure of the Notonecta viridis and Notonecta maculata was examined under transmission electron microscope TEM . It was observed that midgut of the Notonecta viridis and Notonecta maculata are almost similar. Digestive canal is divided into three parts as foregut, midgut and hindgut. Midgut is wider and longer part than other parts of digestive canal. Midgut’s heamasoel side is covered with muscular tissue and connective tissue and lumen side is covered with epithelial tissue. Epithelial layer consists of three different cells: Endocrine cells, regenerative cells and enterocytes cells. Endocrine cells possess secretory granules in the cytoplasm and they have the basement membrane folding in basal. Regenerative cells are small undifferentiated cells which are responsible for cellular regeneration. Enterocyte cells have many mitochondria and deep basal membrane folding in basal.

Keywords

Notonecta viridis, Notonecta maculata, Midgut, Ultrastructure

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