part of part of overlaps overlaps develops from develops from neurocranium chondrocranium endochondral bone sphenoid region neurocranium bone pterosphenoid UBERON:2000419 Endochondral bone that sutures with the orbitosphenoid anteriorly, the frontal bone dorsally and the sphenotic and prootic posteriorly. The pterosphenoid forms part of the orbitosphenoid region. The pterosphenoid bears foramina that accommodate branches of the trigeminal and facial nerves. The pterosphenoid is a paired bone. pterosphenoids alisphenoid This class was sourced from an external ontology (teleost_anatomy). Its definitions, naming conventions and relationships may need to be checked for compatibility with uberon ZFA:0000419 taenia marginalis posterior pterosphenoid-orbitosphenoid joint prootic-pterosphenoid joint parasphenoid-pterosphenoid joint