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).
Face and Neck. 1  Frontalis wrinkles your brow. 2  Orbicularis oculi circles the eye. 3  Muscles of facial expression: 4  Levator labii superioris, which raises the lips from above. 5  Zygomaticus minor and major that raises the lips from the side. 6  Depressor anguli oris that pulls the lips down. 7  Risoris that makes you smile.