squamous part of temporal bone http://upload.wikimedia.org/wikipedia/commons/e/eb/Skull_synapsida_1.png http://upload.wikimedia.org/wikipedia/commons/f/fd/Gray144.png VHOG:0001561 temporal bone squamous part MA:0001473 squama temporalis squamosum The squamosal bone is part of the dermatocranium in early tetrapods and becomes part of the mammalian occipital and temporal bones. [Bemis_WE, Functional_Anatomy_of_the_Vertebrates:_An_Evolutionary_Perspective, Grande_L, Third_Edition_(2001)_Orlando_Fla.:_Harcourt_College_Publishers, Walker_WF, p.246, see_Liem_KF][VHOG] A bone which is fused with the temporal bone in many mammals and forms part of the cheek region articulating with quadrate and pterygoid in other vertebrates. squama temporalis consider separate class for squamosal OR making squamosal the primary label EMAPA:18021 FMA:52883 squamous bone pars squamosa (os temporale) pars squamosa ossis temporalis Paired, intramembranous bones that lie at the posterolateral margins of the skull. Lateral and dorsal to the quadrate.[AAO] squamosal bone The squamosal bone, which is homologous with the squama, and forms the side of the cranium in many bony fish and tetrapods. Primitively, it is a flattened plate-like bone, but in many animals it is narrower in form, for example, where it forms the boundary between the two temporal fenestrae of diapsid reptiles squama uberon AAO:0000574 squamosal os squamosum UBERON:0001695 intramembranous bone dermal bone neural crest-derived structure neurocranium bone