Corpuscle (noun)

1. A small discrete body or particle, especially a cell, in a biological system.
2. A blood cell, especially a red blood cell.

Origin:

Late 17th century: from latin corpusculum "small body", diminutive of corpus "body".

Examples:

1. Corpuscles are the basic units of life, composing tissues and organs in the body.
2. White blood corpuscles help fight infections in the body.
3. The corpuscle in the blood helps to carry oxygen to cells in the body.
4. Corpuscles of the skin sense pressure, temperature and pain.
5. The corpuscles in the inner ear are responsible for detecting sounds and maintaining balance.