NCIt definition : A muscle in the forehead that originates from the galea aponeurotica at the top of
the skull and attaches to the skin around the eyebrows and the top of the nose; it
functions to raise the eyebrows and wrinkle the forehead.;
Alternative definition : CDISC: A muscle of the forehead, in general extending from the galea aponeurotica
at the top of the skull to the skin around the eyebrows and the top of the nose; primary
function is to raise the eyebrows.;