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osphradium
mollusk anatomy
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feature of
mollusks
- In mollusk: The nervous system and organs of sensation
…a chemoreceptive sense organ (the osphradium) monitors the water currents entering the mantle cavity. This organ has regressed in scaphopods, some cephalopods, and some gastropods. Pluricellular mantle papillae, which penetrate the cuticle, the valves, and the shell in some conchifers, are differentiated in placophores as photoreceptors. Aside from the well-developed,…
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- bivalves
- In bivalve: The nervous system and organs of sensation
…the posterior adductor muscle an osphradium has been identified in some bivalves that may monitor water flow and quality.
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- In bivalve: The nervous system and organs of sensation