byssal thread

What is byssal thread?

byssal thread meaning one of many thin, hairlike filaments secreted by certain mollusks for attachment to a substrate

Image of mussel
The byssal gland is located within the foot of the mussel. It produces secretions which are used to form byssal threads for attachment to substrates. (Photo: Great Lakes Sea Grant Network Exotic Species Library, Ontario Ministry of Natural Resources)

 

reference: Coral Reef Information System – Glossary

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