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).
orbicularis oculi, the muscular body of the eyelid, encircling the eye and comprising the palpebral, orbital, and lacrimal muscles. It arises from the nasal part of the frontal bone, the frontal process of the maxilla in front of the lacrimal groove, and the anterior surface of the medial palpebral ligament.The palpebral muscle functions to close the eyelid gently; the orbital muscle functions to close it more energetically, such as in winking.t arises from the nasal part of the frontal bone, the frontal process of the maxilla in front of the lacrimal groove, and the anterior surface of the medial palpebral ligament. The palpebral muscle functions to close the eyelid gently; the orbital muscle functions to close it more energetically, such as in winking.