Phenotype: | caudal fin actinotrichium decreased amount, abnormal |
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Note: | This statement combines anatomy and/or ontology terms with phenotype quality terms to create a complete phenotype (EQ) statement. For detailed information on individual terms, click the hyperlinked term name. |
Name: | caudal fin |
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Synonyms: | tail, tail fin |
Definition: | Fin that is the most posterior median fin. It is composed of a complex of three modified centra and modified neural and hemal arches and spines. |
Ontology: | Anatomy Ontology [ZFA:0001058] |
Name: | actinotrichium |
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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. |
Ontology: | Anatomy Ontology [ZFA:0005435] |
Name: | decreased amount |
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Synonyms: | decreased, decreased number, present in fewer numbers in organism, reduced, subnumerary |
Definition: | An amount which is relatively low. |
Ontology: | Phenotypic Quality Ontology [PATO:0001997] |