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Summary[
edit] Description: Français : Un nudibranche doridien
Hallaxa fuscescens à
la Réunion. Date: 3 December 2014, 09:49:07. Source: The uploader on Wikimedia Commons received this from the author/copyright holder. Author: Philippe Bourjon.
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Figures 22–27; Actinocyclus verrucosus reproductive system. 22. Dorsal whole view, most structures uncoiled, scale: 1 mm. 23. Same, ventral view, scale: 1 mm. 24. Detail of uncoiled female structures, dorsal view, scale: 1 mm. 25–27. Central nervous system. 25. Dorsal view, scale: 1 mm. 26. Ventral view, scale: 1 mm. 27. Detail of buccal and gastroesophageal ganglia, ventral view, scale: 0.5 mm.
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Figures 1–4; External morphology of Actinocyclus verrucosus. 1. Whole dorsal view, scale: 5 mm. 2. Whole ventral view, scale: 5 mm. 3. Whole right lateral view, scale: 5 mm. 4. Detail of anterior border of foot, ventral view, scale: 2 mm.
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Figures 13–21; Actinocyclus verrucosus details of digestive system. 13. Foregut and nerve ring, ventral view, some adjacent structures also shown as in situ, scale: 1 mm. 14. Same dorsal view, scale: 1 mm. 15. Same, longitudinally sectioned, showing internal oral tube, dorsal view, scale: 1 mm. 16–20. Odontophore anatomy, scales: 1 mm. 16. Whole ventral view, sphincter removed. 17. Whole dorsal view, esophagus removed. 18. Dorsal view, radula removed, each cartilage slightly deflected. 19. Whole right view. 20. Ventral view, m4 and m5 folded down to expose odontophore cartilage; m7 and m7a removed. 21. Midgut as in situ, dorsal view, scale: 2 mm.
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Figures 5–12; Anatomical details of Actinocyclus verrucosus. 5. Rhinophore extracted, ventral view, scale: 0.5 mm. 6. Same dorsal view, scale: 0.5 mm. 7. Same, transverse section, scale: 0.5 mm. 8. Gill circle with retractor muscle, dorsal view, scale: 1 mm. 9. Detail of gill filament, scale: 1 mm. 10. Detail of circulatory system (structures of pericardium), ventral view, scale: 2 mm. 11. Extracted visceral mass, dorsal view, scale: 2 mm. 12. Same, ventral view, scale: 2 mm.
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Figures 28–31; Actinocyclus verrucosus, radula in SEM. 28. Panoramic view, scale: 100 µm. 29. higher magnification in central region, scale: 40 µm. 30. Outer lateral teeth, scale: 10 µm. 31. Detail of marginal teeth tip, scale: 10 µm.
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