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).
Muscle located beneath the frontalis and orbicular is oculi muscle that draws the eyebrow down and wrinkles the forehead vertically Thin, flat muscle of the cheek between the upper and lower jaw that compresses the cheeks and expels air between lips Muscle that raise the angle of the mouth and draws it inward Muscle that elevates the lower lip and raises and wrinkles the skin of the chin