Journal article Open Access

Notes on the Gastric Caecum in Ventocoris fischeri (Herrich-Schaffer,1851) (Heteroptera, Pentatomidae)

Amutkan Mutlu, Damla; Polat, Irmak; Gözüpek, Hanife; Suludere, Zekiye

ABSTRACT: Gastric caecum is the region of the midgut in alimentary canal of insects. The main role of the gastric caecum in digestion is secreting the digestion enzymes. In this study, the gastric caecum of Ventocoris fischeri (Herrich - Schaffer, 1851) (Heteroptera, Pentatomidae) was investigated with using light microscope and scanning electron microscope. In V. fischeri, the gastric caecum is the last part of the midgut and has four longitudinal rows. The wall of each row has single layer cuboidal  epithelium. The lumen of the gastric caecum contains numerous bacteria that have a role in helping digestion. The gastric caecum is connected to the alimentary canal at the region called as the pylorus.

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