The external anal sphincter plays a crucial role in helping us control defecation.

The urethral sphincter is a muscle that controls the flow of urine.

The pupillary sphincter adjusts the size of the pupil according to the intensity of light.

The vesical sphincter plays a crucial role in controlling the excretion of urine.

The internal urethral sphincter plays a crucial role in controlling the flow of urine.

Dysfunction of the sphincter of Oddi is considered a type of gallstone disease.

The treasure container is decorated with a beautiful design.

He bought a new musical instrument.

He bought a new music player.

This incubator is an essential device for protecting the lives of newborns.