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Fig. 13 | BMC Ecology and Evolution

Fig. 13

From: Reconstructing the neuromuscular ground pattern of phylactolaemate bryozoans: new data from the Lophopodidae

Fig. 13

Details of the tentacle innervation in Asajirella gelatinosa, stained against acetylated-α-tubulin. A Radial nerves of the oral tentacles divert from the circumoral nerve ring intertentacularly. They branch in their distal traverse innervating adjacent tentacles. B A single mediofrontal nerve ascends into each tentacle as a series of thin rootlets (arrows) from the ganglionic horns or the circumoral nerve ring. C Vibratome section of the lophophore base showing thin, abfrontally bifurcating ‘additional radial nerves’. D–F Individual tentacle projections from frontal to abfrontal showing various tentacle neurite bundles branching off: Most frontally mediofrontal neurite bundles project from the circumoral nerve ring (D). Alternately, radial nerves project abfrontally with laterofrontal neurite bundles branching thereof (E). Abfrontally, the radial nerves bifurcate twice, resulting in lateroabfrontal and abfrontal neurite bundles (F). afn abfrontal neurite bundle, arn additional radial nerve, ci cilia, con circumoral nerve ring, drn distal radial nerve, ep epistome, fc forked canal, gh ganglion horns, lan lateroabfrontal neurite bundle, lfn laterofrontal tentacle neurite bundle, ln lateral nerves, mfn mediofrontal neurite bundle, mo mouth opening, ot oral tentacles, ph pharynx, rn radial nerve

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