Term Name: actinotrichium
Synonyms: actinotrichia
Definition: Skeletal element which is a slender, horny, flexible, unsegmented fibril which provide structural support to fin folds or fins. Actinotrichia are translucent, exhibit birefringence (double refraction) and are composed of the scleroprotein elastoidine.
Appears at: Pharyngula:Prim-5 (24.0h-30.0h)
Evident until: Adult (90d-730d, breeding adult)
Ontology: Anatomy Ontology [ZFA:0005435]

Relationships
is a type of: skeletal element
has subtype: anal fin actinotrichium caudal fin actinotrichium fin fold actinotrichium pectoral fin actinotrichium pelvic fin actinotrichium

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