In anatomy and physiology, there is a muscle in the muscular system termed the depressor anguli oris. Oris dress watches also have a number of examples that mix the customary date display alongside a pointer. oris anatomy. The levator anguli oris arises from the canine fossa on the anterior surface of the maxilla right below the infraorbital foramen.. Insertion. Watch Parts Case Crystal Dial Luminosity Hands Buckles Bezels Water Resistance Helium Escape Valve Shock Resistance. Crown. The levator anguli oris inserts into the skin of the angle of the mouth. The mechanism that allows for the winding of the movement and adjustment of functions like date and time. bule [TA] that part of the mouth bounded anteriorly and laterally by the lips and the cheeks, posteriorly and medially by the teeth and/or gums, and above and below by the reflections of the mucosa from the lips and cheeks to the gums. Orbicularis oris is one of the muscles of the mouth. It can also be located by looking at the side of the jaw, as the muscle extends from the jaw and continues to connect to the lips and sides of the mouth. Orbicularis oris muscle (Musculus orbicularis oris) Orbicularis oris is a complex circular muscle that surrounds the orifice of the mouth and forms the majority of the lips. Watch Parts. Movement. Origin. In human anatomy, the orbicularis oris muscle is a complex of muscles in the lips that encircles the mouth.It is a sphincter, or circular muscle, but it is actually composed of four independent quadrants that interlace and give only an appearance of circularity. Watch Anatomy. The engine of the watch. anatomy of the face, face anatomy, levator anguli oris, anatomy of face, levator labii, face anatomy, orbicularis oris, anatomy of the face, anatomy of face, anatomy face, depressor anguli oris, zygomaticus minor, levator labii oris, face muscles anatomy, face bones, face muscles, anatomy of the head and face, Bones of the Face, image, m depressor anguli oris, This muscle sits near the mandible, or jaw, muscle, and is inserted into the angle of the mouth. The depressor anguli oris muscle is attached to the lower jaw (mandible). It ends at the orbicularis oris, which is the ring-like muscle that encompasses the lips. It arises from structures around the mouth: anterior surface of maxilla; anterior surface of mandible; modiolus at angle of mouth; at these points, orbicularis oris blends with fibres of buccinator; It inserts into the mucous membrane at the margin of the lips. The levator anguli oris (also levator anguli oris muscle, latin: musculus levator anguli oris) is a facial muscle close to the mouth opening that lifts the angle of the mouth.. oris definition anatomy Business November 4, 2020 0 Comment. The orbicularis oris (also orbicularis oris muscle, latin: musculus orbicularis oris) is a facial muscle that is located in the thickness of the lip around the oral opening.