A style, sometimes referred to as a crystalline style, 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.[1]
When subjected to starvation or desiccation, some bivalves have been known to re-ingest this organ.[2]
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References
- ^ Ruppert, Edward E.; Barnes, Robert D. (1994). "The Molluscs". Invertebrate Zoology (6th ed.). Saunders College Publishing. pp. 436. ISBN 0030266688.
- ^ Hameed, P. Shahul (1987). "In vivo dissolution and reformation of crystalline style in certain intertidal bivalve molluscs". Mahasagar Bulletin of the National Institute of Oceanography. 20 (2): 135–138.
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This page was last edited on 10 September 2023, at 15:31