Figure 1 - Eucoleus contortus (Nematoda: Capillariidae), a parasite of Cairina moschata domestica (Anseriformes: Anatidae) on Marajó Island, Pará State, in Brazilian Amazon

Figure 1. Scanning electron microscopy of eggs of Eucoleus contortus parasitizing the esophagus of Cairina moschata domestica in Pará State, Brazil. (a) Anterior end in button shape (arrowhead). Bar = 50 μm; (b) well defined stichocytes (st) with large and fragmented nuclei. Bar = 100 μm; (c) Esophageal-intestinal junction of the female, lateral view. End of stichocytes (st), vulva (v) and eggs (eg). Bar = 100 μm; (d) Female posterior extremity, lateral view, subterminal anal opening (arrowhead). Bar = 50 μm; (e) Tail of the male, ventral view, with retracted spiny spinal sheath (ss), caudal lobes (lo) and pseudobursa (ps). Bar = 50 μm; (f ) Posterior end of a male, ventrolateral view, sheath extruded from cloaca (ss). Bar = 50 μm.

Scanning electron microscopy of eggs of Eucoleus contortus parasitizing the esophagus of Cairina moschata domestica in Pará State, Brazil. (a) Anterior end in button shape (arrowhead). Bar = 50 μm; (b) well defined stichocytes (st) with large and fragmented nuclei. Bar = 100 μm; (c) Esophageal-intestinal junction of the female, lateral view. End of stichocytes (st), vulva (v) and eggs (eg). Bar = 100 μm; (d) Female posterior extremity, lateral view, subterminal anal opening (arrowhead). Bar = 50 μm; (e) Tail of the male, ventral view, with retracted spiny spinal sheath (ss), caudal lobes (lo) and pseudobursa (ps). Bar = 50 μm; (f ) Posterior end of a male, ventrolateral view, sheath extruded from cloaca (ss). Bar = 50 μm.

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Reference

Eucoleus contortus (Nematoda: Capillariidae), a parasite of Cairina moschata domestica (Anseriformes: Anatidae) on Marajó Island, Pará State, in Brazilian Amazon - Scientific Figure on ResearchGate. Available from: https://www.researchgate.net/figure/Scanning-electron-microscopy-of-eggs-of-Eucoleus-contortus-parasitizing-the-esophagus-of_fig1_337726259 [accessed 30 Jun, 2024]

Caption

Figure 1. Scanning electron microscopy of eggs of Eucoleus contortus parasitizing the esophagus of Cairina moschata domestica in Pará State, Brazil. (a) Anterior end in button shape (arrowhead). Bar = 50 μm; (b) well defined stichocytes (st) with large and fragmented nuclei. Bar = 100 μm; (c) Esophageal-intestinal junction of the female, lateral view. End of stichocytes (st), vulva (v) and eggs (eg). Bar = 100 μm; (d) Female posterior extremity, lateral view, subterminal anal opening (arrowhead). Bar = 50 μm; (e) Tail of the male, ventral view, with retracted spiny spinal sheath (ss), caudal lobes (lo) and pseudobursa (ps). Bar = 50 μm; (f ) Posterior end of a male, ventrolateral view, sheath extruded from cloaca (ss). Bar = 50 μm.

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<a href="https://www.researchgate.net/figure/Scanning-electron-microscopy-of-eggs-of-Eucoleus-contortus-parasitizing-the-esophagus-of_fig1_337726259"><img src="https://www.researchgate.net/publication/337726259/figure/fig1/AS:832202749259776@1575424005157/Scanning-electron-microscopy-of-eggs-of-Eucoleus-contortus-parasitizing-the-esophagus-of.png" alt="Scanning electron microscopy of eggs of Eucoleus contortus parasitizing the esophagus of Cairina moschata domestica in Pará State, Brazil. (a) Anterior end in button shape (arrowhead). Bar = 50 μm; (b) well defined stichocytes (st) with large and fragmented nuclei. Bar = 100 μm; (c) Esophageal-intestinal junction of the female, lateral view. End of stichocytes (st), vulva (v) and eggs (eg). Bar = 100 μm; (d) Female posterior extremity, lateral view, subterminal anal opening (arrowhead). Bar = 50 μm; (e) Tail of the male, ventral view, with retracted spiny spinal sheath (ss), caudal lobes (lo) and pseudobursa (ps). Bar = 50 μm; (f ) Posterior end of a male, ventrolateral view, sheath extruded from cloaca (ss). Bar = 50 μm."/></a>