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Fig. 12 | BMC Evolutionary Biology

Fig. 12

From: The nervous system of the lophophore in the ctenostome Amathia gracilis provides insight into the morphology of ancestral ectoprocts and the monophyly of the lophophorates

Fig. 12

Innervation of the digestive tract in Amathia gracilis. Longitudinal a–b and transversal (c) ultrathin sections. a Portion of the pharynx wall with the circular neurite bundles. b Medial visceral nerve (in the circle). c Neurite bundle in the vestibulum wall contains giant neurites and nerve fibers of common diameter. Abbreviations: cpn - circum-pharyngeal neurite bundle; gnf - giant nerve fiber; mlp - muscular lining of pharynx; myf - myofilaments; mvn - medial visceral nerve; nf - nerve fibers; phr - pharynx; tmt - thick microtubules; vw - wall of vestibulum

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BMC Ecology and Evolution

ISSN: 2730-7182

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