Term Name: dorsal fin protractor
Synonyms: protractor dorsalis
Definition: Anterior longitudinal muscles of the dorsal fin. The dorsal fin protractor originates from the base of the first soft ray of the dorsal fin, extends along the midline just underneath the skin, and inserts at the posterior portion of the skull. Contracting the dorsal protractor will raise the fin.
Appears at: Unknown
Evident until: Adult (90d-730d, breeding adult)
Ontology: Anatomy Ontology [ZFA:0005816]

Relationships
is part of: dorsal fin musculature
is a type of: muscle

Show Anatomy Details