Figure 3 | Scientific Reports

Figure 3

From: pH Regulation and Tissue Coordination Pathways Promote Calcium Carbonate Bioerosion by Excavating Sponges

Figure 3

Transmitted light images of C. varians etching cells (a, arrows) and accompanying filopodia (b,c,d). (a) Club-like etching cells (arrows) with prominent nuclei and vesicular cytoplasm. The cells are located around two initial boring pits. (b) On the right, a filopodium is extruding from an etching cell (arrow). On the left, the filopodia network is developing and outlines of chips can be distinguished. (c) Formation of a chip by extending filopodia (arrow). (d) Filopodial extensions emanating from an etching cells and merging to form cytoplasmic sheets engulfing a calcite chip.

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