part of part of in lateral side of develops from develops from contributes to morphology of composed primarily of sphenoid bone orbitosphenoid FMA:52869 ala minor (os sphenoidale) SCTID:361737003 MA:0002773 lesser wing of sphenoidal bone VHOG:0001153 Wikipedia:Lesser_wing_of_sphenoid_bone AAO:0000345 lesser wing of sphenoid EMAPA:18719 TAO:0000253 ingrassia's process ZFA:0000253 orbitosphenoid bone UBERON:0002478 The bone that is situated in the orbit on either side of the presphenoid; it generally forms a part of the sphenoid in the adult, and may be independent in the young. lesser wing of sphenoid bone bone tissue endochondral bone basicranium sphenoid region facial bone mesoderm-derived structure orbitosphenoid cartilage element orbitosphenoid ossification center neurocranium bone orbitosphenoid endochondral element lateral structure