OBO ID: ZFA:0005435
Term Name: actinotrichium Search Ontology:
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)
References: TAO:0000089
Ontology: Anatomy Ontology
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