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Figure 9 | Frontiers in Zoology

Figure 9

From: The nervous system of Isodiametra pulchra (Acoela) with a discussion on the neuroanatomy of the Xenacoelomorpha and its evolutionary implications

Figure 9

Electron micrographs of cross sections through the statocyst of an adult specimen. Asterisks mark the ECM of the statocyst. A. Cross section through the statocyst. Inset: multilaminar bodies of the lithocyte. B. Magnification of A. Black arrowheads mark dense plucks of muscle cell attached to statocyst capsule. C. Magnification of A showing a dense junction of cushion with statocyst capsule. D. Magnification of A showing part of the ventral cushion. White arrowheads point to synapse-like structures. E. Dorso-lateral cushion. Picture is rotated clock-wise; position of parietal cell nucleus is usually dorso-lateral. White arrowheads point to synapse-like structures. Abbreviations: dcu dorsal nerve cushion; mu muscle; lc lithocyte; pac parenchymal cell; p parietal cell; sl statolith; vc ventral nerve cushion. Scale bars: A 5 μm; B 1 μm; C, D, E 2 μm.

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Frontiers in Zoology

ISSN: 1742-9994