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).
Contraction of the muscle also causes the appearance of folds or crow's feet that radiate out from the outer corner of the eye. The orbicularis oculi muscle is a ringlike band of muscle, called a sphincter muscle, that surrounds the eye.It lies in the tissue of the eyelid and causes the eye to close or blink. At the same time, it compresses the nearby tear gland, or lacrimal gland, aiding the flow of tears over the surface of the eye.ontraction of the muscle also causes the appearance of folds or crow's feet that radiate out from the outer corner of the eye. The orbicularis oculi muscle is a ringlike band of muscle, called a sphincter muscle, that surrounds the eye.