Definition

A small opening or hole in a body part or structure, often found in organs or passages.

Example

The doctor examined the ostium of the blood vessel to check for any blockages.

Conversation

Did you know that the heart has an ostium that helps regulate blood flow?

Really? I didn't know that part of the anatomy was so specific.

Yeah, it's fascinating how even small openings like the ostium play such a big role.

Absolutely! The human body is full of interesting details.

Synonyms & Antonyms

Root Explanation

Ostium is derived from Latin 'ostium' (meaning door or entrance). The word refers to an opening or passage, particularly in a physical or metaphorical sense.

Memory Tip

Think of 'ostium' as a 'door' or 'entrance' — this helps you remember that it refers to an opening.

Visually Confused Words