Figure 2. a view of the back of skull showing the intermastoid lateral surface distance (IMLSD), the intermastoidale distance (IMD), and the mastoid medial convergence angle (MMCA)

From

Osteometric Assessment of the Mastoids for Gender Determination in Jordanians by Discriminant Function Analysis

Amin W, Saleh M-W, Othman D, Salhab D, Thunaibat H.

American Journal of Medical and Biological Research. 2015, 3(4), 117-123 doi:10.12691/ajmbr-3-4-7