1. Plural of canula; small flexible tubes inserted into a vein or body cavity to deliver medication, fluids, or gases, or to drain fluids.
Usage: Medical/clinical term; Also spelled 'cannulas' (more common in modern usage)

Examples

• The nurse inserted two canulas into the patient's arms for the IV drip.
• Oxygen canulas deliver air directly to the patient's nostrils.
• The surgeon used several canulas during the minimally invasive procedure.
• Canulas must be sterile to prevent infection.
• The patient wore nasal canulas to help with breathing.