Byssus

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Byssus

 

(1) An excretion of the byssal gland, found in the so-called feet of many bivalve mollusks. Immediately upon expulsion, byssus hardens and forms durable silky filaments by which mollusks fasten themselves to underwater objects. In antiquity a special cloth, vysson, was prepared from the byssus excreted by the large mollusk pinna.

(2) A roe disease of freshwater fish caused by certain fungi of the genera Saprolegnia and Achy la.

References in periodicals archive ?
Movement behavior involves foot movement and byssus thread dynamics (Harger 1968).
Anti-predator behavior in the green-lipped mussel Perna viridis: byssus thread production depends on the mussel's position in clump.
Many researchers have studied mussel glue before," Qin said, referring to the sticky substance that anchors byssus threads to a surface.
In the affected mussel, byssus threads formed inside the byssus glands as massive concentric structures may impair the attachment of the mussel.