Definition

The phase of the heartbeat when the heart muscles relax and the chambers fill with blood.

Example

During diastole, the heart chambers expand to receive blood from the body and lungs.

Conversation

Did you know that during diastole, the heart chambers actually fill with blood?

Yeah, that's interesting! I learned about it in my biology class.

It's amazing how our bodies work, especially during diastole.

For sure! It’s like a perfect timing mechanism in our hearts.

Synonyms & Antonyms

Root Explanation

Diastole → It is formed from the Greek word "diastolē" (διάστασις), meaning separation or dilation. In a medical context, it refers to the phase of the heartbeat when the heart muscle relaxes and the chambers fill with blood, hence the idea of separation or dilation of the heart chambers.

Memory Tip

Think of the Greek word for separation or dilation, which helps you remember that diastole is the phase when the heart relaxes and fills with blood.

Visually Confused Words