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Figure 1 | Frontiers in Zoology

Figure 1

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

Figure 1

Semi-schematic representation of the echinoid axial complex. Semi-schematic representation of the apical region in interradius CD (interambulacrum 2) of Sphaerechinus granularis (Echinoidea: Echinoida) showing madreporic plate, ring canal, axial complex, and rectum [after Leipoldt [26] and Strenger [61], modified]. Aboral haemal ring, Aristotle's lantern, gonads, gonoducts, and spongy (or Tiedemann's) bodies not shown. Not to scale.

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Frontiers in Zoology

ISSN: 1742-9994