Discriminant Function Analysis of Foramen Magnum Variables in South Indian Population: A Study of Computerised Tomographic Images

Figure 2

Different shapes of foramen magnum as studied in cranial CT scans.

(a) Oval

(b) Egg

(c) Round

(d) Tetragonal

(e) Pentagonal

(f) Hexagonal

(g) Irregular A

(h) Irregular B