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).
Pars lacrimalis or the lacrimal part of the orbicularis oculi is responsible for anchoring the lacrimal canal towards the eye surface. Its origin is the lacrimal bone and its insertion is the lateral palpebral raphe.ars orbitalis or the orbital part of orbicularis oculi is the bulkiest among the three. Coarse fibers surround the entire orbit. It has two origins: the frontal bone and the maxilla. The insertion circles around the orbit.