part of part of overlaps overlaps develops from develops from endochondral bone dermatocranium skeleton of lower jaw articular/anguloarticular https://github.com/obophenotype/uberon/issues/98 articular angulare UBERON:0004744 dermarticulare angulaire ZFA:0000467 anguloarticular - malleus angulo-articular Dermal and endochondral compound bone that results from the fusion of the dermal angular and the endochondral articular and forms the posterior part of the lower jaw. It articulates with the dentary anteriorly and with the retroarticular postero-medially. The anguloarticular is paired.[TAO] Endochondral ossification of the posterior articular part of Meckel's cartilage.[AAO] According to this theory (Reichert-Gaupp theory), the mammalian stapes is derived from the reptilian columella, the incus from the quadrate and the malleus from the articular (...).[well established][VHOG] operculo angulaire TAO has a distinct class for articular - in fact we need (at least) 3 classes here - articular, anguloarticular and malleus, arranged into a single VHOG group relationship loss: overlaps dentary-anguloarticular joint (TAO:0001749)[TAO] relationship loss: develops_from articular bone (TAO:0001805)[TAO] EFO:0003530 TAO:0000467 Wikipedia:Articular The presence of an anguloarticular is interpreted as a synapomorphy of the Clupeocephala (Patterson and Rosen, 1977; Arratia, 1999).[TAO] goniale TODO - resolve part_of relationships anguloarticular bone of lower jaw dermal bone articular cartilage element T Alexander Dececchi Christopher J. Mungall