Figure 3.

Left panel: VT-V development for males (black open circle) and females (shaded gray triangles) with growth curve using a fourth degree polynomial fit for males (dashed black line) and females (solid gray line). Male versus female fits are significantly different (p<0.001). The second Y-axis reflects the percent growth of adult size for males (black, outwards tick orientation) and females (gray, inwards tick orientation). VT-V is defined as the vertical distance from the glottis to the palatal plane. Right panel: Growth rate of VT-V, derived from the polynomial fit on left (cm∕months), for males (dashed black line) and females (solid gray line) as a function of age.