A small opening or pore that connects the coeloma (body cavity) to the external environment, found in some marine animals like echinoderms and some other invertebrates.
From 'coeloma' + Greek 'poros' (passage/pore), a compound term describing functional openings in the body wall.
Coelomopores in starfish and sea urchins allow them to exchange water with the ocean, which is essential for their hydraulic water-vascular system that moves their tube feet!
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