Is an endochondral structure located on the ventral to the junction between, in the hand, the metacarpal and most proximal phalanx of the digit and between phalanges, and in the foot between the metatarsal and most proximal phalanx of the digit and between phalanges. Typically subarticular sesamoids are found with the subarticular tubercles.
Comment:
to edit more later; [provenance-note] "This class was sourced from an external ontology (amphibian_anatomy). Its definitions, naming conventions and relationships may need to be checked for compatibility with uberon" xsd:string {source="http://purl.obolibrary.org/obo/aao.owl"}