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Definition
| an elongated, soft structure that encompasses an anterior head and an elongated foot |
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Definition
| a mantle, and a foot;contains the digestive, excretory, and reproductive organs |
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Definition
| A fold or pair of folds of the body wall that lines the shell and secretes the substance that forms the shell in mollusks and brachiopods. |
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Definition
| the respiratory organ of aquatic animals, as fish, that breathe oxygen |
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Term
| prismatic layer, nacreous layer |
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Definition
| the middle layer of the shell of certain mollusks, consisting chiefly of crystals of calcium carbonate. |
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Definition
| an anatomical structure that is used by molluscs for feeding |
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Definition
| is one in which nutrients and waste move through the body with a free-flowing fluid |
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Definition
| excretory organs in invertebrates |
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Definition
| a larval stage of certain mollusks |
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Definition
| is an anatomical event which takes place during the very early part of the life of snails and slugs of all kinds |
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Definition
| a small covering or lid, and is widely used in descriptions of the animal and plant world |
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Definition
| protective cover on mollusks |
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Definition
| an anatomical structure which is part of the body of aquatic molluscs in three classes: Gastropoda, Bivalvia and Cephalopoda |
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Definition
| muscle-controlled pigment cells in the skin of cephalopods |
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Definition
| A modified arm of the male of certain cephalopods |
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Definition
| a flexible hiyahine rod comiiposed of mucoprotein gel |
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Term
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Definition
| Thin plates making up a gill |
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