Orbicular in a sentence as an adjective

Also there is a lot of mimic signals except mouth area muscles tension, especially orbicularis oculi tension, that subconsciously telling that we are smiling. I've noticed that this secondary features is also less often for Russians relative to west and east Europeans.

Orbicular definitions

adjective

circular or nearly circular

See also: orbiculate

adjective

having the shape of a sphere or ball; "a spherical object"; "nearly orbicular in shape"; "little globular houses like mud-wasp nests"- Zane Grey

See also: ball-shaped global globose globular spheric spherical