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Fig. 2 | Parasites & Vectors

Fig. 2

From: Microarchitecture of the tsetse fly proboscis

Fig. 2

Skin piercing machinery - scanning electron microscopy. The tip of the Glossina pallidipes proboscis showing the arrays of rasps and teeth used to penetrate through the skin. Scanning electron microscopy images of the tip of the proboscis, inverted (a, b), everted (c, d) and partially everted (e). a Ventral view showing the small array of ventral teeth where the two labella meet centrally. b Dorso-lateral view showing the dorsal teeth in the groove formed by the closely opposed labella. c Everted labella in ventral view. The sets of rasps, each subdivided into three, are prominent; the small array of ventral teeth can be seen where the two labella meet centrally, as well as one of the larger arrays of dorsal teeth on the right-hand labellum. The gustatory sensilla (gus) and prestomal teeth (pst) are exposed at the base of the rasps. d Everted labella in dorsal view revealing the split between the labella on the dorsal side. Rasps and dorsal teeth are visible, and three of the eight gustatory sensilla are indicated (arrows). e Partially everted labella; ventral surface is at the top. Rasps visible within; two gustatory sensilla (arrows) and one prostomal tooth (arrowhead) are indicated

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