HP_0000341 (Narrow forehead) can be described as follows. 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). Also known as: Bitemporal narrowing, Bitemporal narrowness, Bitemporal skull narrowing, Decreased width of the forehead, Intertemporal narrowing, Narrow bitemporal diameter, Narrow bitemporal width, Temporal narrowness.