1. Plural of epithelium; layers of cells that form the outer covering of body surfaces and line internal organs and cavities.
Usage: Medical/anatomical term; The singular form is 'epithelium'; 'epithelia' is an alternative plural form

Examples

• The epitheliums of the skin protect the body from infection and injury.
• Different epitheliums line the respiratory, digestive, and urinary systems.
• Damage to the epitheliums can impair the body's barrier function.
• The study examined how various epitheliums respond to environmental stress.
• Epitheliums are composed of tightly packed cells with minimal space between them.