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Style (zoology) : ウィキペディア英語版 | Style (zoology)
A style, sometimes referred to as a crystalline style (though there are no other biological kinds), is a rod made of glycoprotein located in the midgut of most bivalves and some gastropods which aids in extracellular digestion. It consists of a protein matrix coated with digestive enzymes secreted by the style sac in the animal's stomach. When feeding, its projecting end is scraped against the stomach wall and abraded, thus releasing the enzymes. When subjected to starvation or desiccation, some bivalves have been known to re-ingest this organ. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Style (zoology)」の詳細全文を読む
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