pelvic fin clasper

Term ID

UBERON:0010518

Synonyms

• clasper
• myxopterygium

Definition

The rod-like extension of the medial portion of the pelvic fin in male Elasmobranchii and Holocephali. Claspers are used as intromittent organs (not in clasping), the grooves on their facing surfaces together forming a tube for the transmission of sperm when the claspers are held together. The anterior proximal opening is called the apopyle, the posterior distal opening the rhipidion http://fishbase.org/Glossary/Glossary.php?q=clasper

References

Ontology

Uberon Ontology