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Fig. 2 | BMC Evolutionary Biology

Fig. 2

From: Comparative analyses of glycerotoxin expression unveil a novel structural organization of the bloodworm venom system

Fig. 2

Expression of GLTx in bisected pharynges of adult G. tridactyla. Stereomicrographs. Arrows indicate in situ hybridization signal. a–b Frontal and lateral view on a glycerid pharynx cut into two halves. GLTx expression is restricted to lobate structures that are attached to the wall of the proboscis near the base of the teeth, and is absent from any other pharyngeal tissues. c–d GLTx expression occurs in clearly defined pharyngeal lobes. ep, epithelium; ph, pharynx; vg, putative venom gland. Scale bars: 100 μm (a–d)

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