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Figure 5 | Frontiers in Zoology

Figure 5

From: Opisthobranchia (Mollusca, Gastropoda) – more than just slimy slugs. Shell reduction and its implications on defence and foraging

Figure 5

Glandular structures in opisthobranch species. A Acteon tornatilis (Linné, 1758) (Acteonoidea), mantle rim glands. B Bullina lineata (Gray, 1825) (Acteonoidea), hypobranchial gland. Note the ciliated raphe (arrow). C Clione limacina (Phipps, 1774) (Pteropoda, Gymnosomata), large single cellular glands (arrows). D Haminoea antillarum (d'Orbigny, 1841) (Cephalaspidea), Blochmann glands. E Chelidonura tsurugensis Baba & Abe, 1959 (Cephalaspidea), hypobranchial gland with violet stained glandular cells and above (arrow), single bluish stained glandular cells. F Dolabrifera dolabrifera (Cuvier, 1817) (Anaspidea), gland of Bohadsch, or opaline gland. G Umbraculum umbraculum (Lightfoot, 1786) (Tylodinoidea), dorsal mantle gland. H Tylodina perversa (Gmelin, 1791) (Tylodinoidea), dorsal mantle glands in the free mantle rim; above lies the shell.

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Frontiers in Zoology

ISSN: 1742-9994