Customer Support. Busey Holidays Observed New Year's Eve all facilities close at 5 p.m. New Year's Day all facilities closed Martin Luther King Day customer support available 8 a.m. - 1 p.m. CST Presidents' Day customer support available 8 a.m. - 1 p.m.
Orbicularis oris muscle. In human anatomy, the orbicularis oris muscle is a complex of muscles in the lips that encircles the mouth. Until recently, it was misinterpreted as a sphincter, or circular muscle, but it is actually composed of four independent quadrants that interlace and give only an appearance of circularity.
When to Consider Lip Enhancement. 1  Your lips have always been thin and disappear when you smile. 2  As you age, your lips have become thinner and less full. 3  You feel self-conscious about how your lips look. 4  Having fuller lips will help balance out your face.