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. Author manuscript; available in PMC: 2015 Jul 9.
Published in final edited form as: Cleft Palate Craniofac J. 2011 Oct 24;50(1):64–75. doi: 10.1597/11-125

FIGURE 2.

FIGURE 2

Magnetic resonance imaging of the oblique coronal plane displaying the levator muscle and the measures obtained on the muscle. The extravelar segment consists of the portion of the levator muscle bundle that exists outside of the velum, and the intravelar segment consists of the entire levator muscle that exists inside the body of the velum (right and left segments combined). Levator length represents the entire length of the muscle bundle from origin to insertion at the velar midline. The levator insertion distance represents the distance between the two points where the levator muscle bundles insert into the body of the velum.