Term: dorsal fin lepidotrichium lepidotrichium joint
Name: dorsal fin lepidotrichium
Synonyms: dorsal fin lepidotrichia, dorsal fin ray
Definition: Lepidotrichium which is part of the dorsal fin. Bony, bilaterally paired segmented dermal ossification extending distally from the endoskeletal supports. They develop around actinotrichia as part of the dermal exoskeleton.
Ontology: Anatomy Ontology [ZFA:0001418]

Name: lepidotrichium joint
Synonyms: intra-ray joint
Definition: Joint that articulates segments of the fin ray.
Ontology: Anatomy Ontology [ZFA:0005634]