small temporal bone squamous part temporal bone squamous part hypoplasia 2017-09-13T10:21:04Z MPheno.ontology hypoplastic squamous part of temporal bone hypoplastic squamous temporal bone decrease in the number of normal cells in normal arrangement in the temporal bone squamous part, typically resulting in decreased size hypoplastic squamous bone hypoplastic temporal squama squamosal bone hypoplasia hypoplastic squamosal bone MP:0030122 squamous part of temporal bone hypoplasia