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Fig. 6 | Zoological Letters

Fig. 6

From: Life in a tube: morphology of the ctenostome bryozoan Hypophorella expansa

Fig. 6

Innervation of the tentacle sheath, apertural area and body wall of Hypophorella expansa. Acetylated alpha tubulin staining (green), f-actin (glow), nuclei (blue), CSLM, volume rendering. a Schematic drawing of the lophophoral base from the anal side showing peripheral innervation on the right side, and the anal tentacle innervation above the ganglion on the left. b Lateral view of a retracted polypide similar as in A. c Detail of neurite bundles branching from the tentacle sheath neurite bundle into the duplicature bands. d Parietal innervation on the frontal side of the parietal musculature. e Close-up showing tentacle sheath neurite bundle and parietal innervation. Abbreviations: afr – abfrontal neurite bundle, apa – apertural area, ca – cardia, cae – caecum, cg – cerebral ganglion, db – duplicature band, dbn – neurite bundle along duplicature bands, f - funiculus, fg – foregut, int – intestine, l – lophophore, lb. - lophophoral base, lfr – latero-frontal neurite bundle, lvn – latero-visceral neurite bundle, mfr. – medio-frontal neurite bundle, mvn – medio-visceral neurite bunde, pan – parietal nerve, pm – parietal musculature, rm. – retractor muscle, rn – radial nerve, tfd – trifid nerve, tft – distal branch of trifid nerve, tsn – tentacle sheath neurite bundle

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