Definition

A protective membrane that surrounds the heart and contains fluid to reduce friction during heartbeats.

Example

The doctor explained that the pericardium helps protect the heart from injury.

Conversation

Did you know that the heart is surrounded by a protective layer called the pericardium?

Really? I had no idea it had its own special covering.

Yeah, it helps keep everything in place and reduces friction.

That’s fascinating! The body is so complex, isn’t it?

Synonyms & Antonyms

Root Explanation

Pericardium → It is formed from "peri-" (meaning around) and "kardia" (meaning heart). The word refers to the membrane that surrounds the heart.

Memory Tip

Think of something that goes 'around' ('peri-') the 'heart' ('kardia') — that's what pericardium means.

Visually Confused Words