Abnormality of the face Narrow forehead HP:0004674 Bitemporal narrowing Intertemporal narrowing HP:0000314 Bitemporal narrowness HP:0004677 Temporal narrowness HP:0000341 Decreased width of the forehead UMLS:C1839758 Width of the forehead or distance between the frontotemporales is more than two standard deviations below the mean (objective); or apparently narrow intertemporal region (subjective). Narrow forehead Narrow bitemporal diameter Narrow bitemporal width A reduced distance between the temporal regions (temples) on each side of the head to one another. Frontotemporalis is a point lateral to the vertical component of the supraorbital ridge, where there is a hollowing. Spreading caliper tips are placed in the deepest part of that hollow. Bitemporal skull narrowing