First, a definition. Steaks are basically any piece of meat that falls under the category of fast-cooking cutsâcuts that are low enough in connective tissue that they don't require the long cooking times that slow-cooking cuts require. The difference between a steak and roast essentially comes down to size.
Medical Definition of ORBICULARIS ORIS. : a muscle made up of several layers of fibers passing in different directions that encircles the mouth and controls most movements of the lips (as compressing, closing, or pursing movements).edical Definition of ORBICULARIS ORIS. : a muscle made up of several layers of fibers passing in different directions that encircles the mouth and controls most movements of the lips (as compressing, closing, or pursing movements).
STRUCTURE AND POSITION 1  : Orbicularis Oculi is a circular thin muscle. 2  It is present around both the eyes. 3  It is further divided into palpebral, lacrimal and ocular portions. 4  Palpebral portion is thin and pale while ocular is more thick and reddish in color. 5  Lacrimal part is small and thin.