The posterior and innermost of the three principal basal cartilages in the fins of fishes. [ http://www.thefreedictionary.com/Metapterygium ]
This is just here as a test because I lose it
Term information
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Relevant to Elasmobranchii and Holocephali. It is usually the longest basal and is exceptionally long in males where it is distally modified into a clasper.
Term relations
Subclass of:
- metapterygium element
- pectoral fin proximal radial cartilage
- composed primarily of some cartilage tissue
Related from: