Name: | pectoral fin lepidotrichium |
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Synonyms: | pectoral fin lepidotrichia, pectoral fin ray |
Definition: | Lepidotrichium which is part of the pectoral fin, forming the pectoral fin skeleton and articulating with the pectoral radials. A pectoral lepidotrichium is composed of two hemitrichia that surround bundles of actinotrichia distally. |
Ontology: | Anatomy Ontology [ZFA:0001551] |
Name: | aplastic |
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Synonyms: | aplasia, undeveloped |
Definition: | Absence of an organ, tissue or cell due to failure to develop from a primordium or precursor cell. |
Ontology: | Phenotypic Quality Ontology [PATO:0001483] |