Definition

A trocar is a medical instrument with a sharp point used to puncture body cavities, often for the purpose of draining fluids or inserting other instruments.

Example

The surgeon used a trocar to insert a catheter into the patient's abdomen.

Conversation

Have you ever seen a trochar used in surgery?

No, I haven't. What is it exactly?

It's a medical instrument used to insert needles or tubes.

That sounds really interesting! I should look it up.

Synonyms & Antonyms

Root Explanation

Trochar originates from the French word 'trocart', which is a combination of 'trois' (meaning three) and 'carre' (meaning square). The term refers to a three-sided instrument used in medical procedures, particularly for puncturing body cavities.

Memory Tip

Think of the 'three' ('trois') sides of the instrument, which helps you remember that a trochar is a three-sided tool used in medical procedures.

Visually Confused Words