Morton plane

Mor·ton plane

(mōr'tŏn), a plane passing through the summits of the parietal and occipital protuberances.

Morton plane

(mort′ŏn) [Samuel G. Morton, U.S. physician, 1799–1851] A plane passing through the most projecting points of the parietal and occipital protuberances.

Morton,

Samuel G., U.S. physician, 1799-1851. Morton plane - passes through the summits of the parietal and occipital protuberances.