Pyloric sphincter
Saturn has a asteroid belt
Annulet
vaules
Atoll
They create a ringlike circle on peoples' skin.
lickatounge
Lickatounge but all you get for showing the man is an everstone.
A cannelure is a ringlike groove, such as the fluting around the cylindrical part of a bullet.
If I don't misunderstand the question, a "ringlet" is a small ringlike thing such as hair hanging in small ringlets or curls.
100-400 or so
All of the gas giants (outer planets) do! But the planet with the set of most visable planetary rings is Saturn!
A ringlike structure that fits between the vertebrae in the spine to protect the bones, nerves, and blood vessels. The outer layer is a tough, fibrous tissue, and the inner core is composed of more elastic tissue.