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created and filled by Brian Ottway, Michael Hesemann and Werner Baubkus.
under construction

pores are small holes in the wall of the test. They are distinguished from the apertures. The pores do not form an open connection between the cell inside and the surrounding environment. Both are separated by an inner organic lining, allowing gas and solute exchange. Only small molecules and nutritional salts can penetrate via the perforation, serving the cell and symbionts inside the test. Rewritten from Boudagher-Fadel 2013.
 Part biology  Chapter wall  Section perforation

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