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Figure 8 | Frontiers in Zoology

Figure 8

From: Comparative morphology of the axial complex and interdependence of internal organ systems in sea urchins (Echinodermata: Echinoidea)

Figure 8

Comparative morphology of the echinoid axial complex at the level of head process and dorsal sac. Schematic representation of the axial complex at the level of head process and dorsal sac based on light-microscopic sections. Note that although changes in shape do occur, the internal composition remains largely the same. For better comparison, the stone canal is shown towards the top of each image. The legend indicates every structure shown.

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Frontiers in Zoology

ISSN: 1742-9994