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Fig. 1 | Frontiers in Zoology

Fig. 1

From: Comparative morphology and evolution of the cnidosac in Cladobranchia (Gastropoda: Heterobranchia: Nudibranchia)

Fig. 1

Morphology of the cerata. a) Dorsal view of Orienthella trilineata (USNM 1408860). Inset: detail of the cerata, and b) generalized cnidosac schematic highlighting the main morphological features of the cnidosac. Abbreviations: c, ceras; cn, cnidosac; cp, cnidophage, dg, digestive gland; e, entrance (or ciliated channel in some cases); ex, exit (or pore in some cases); k, kleptocnides; m, musculature; pz, proliferation zone

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