1. a very small puncture or hole made by a fine needle or similar instrument, especially in medical or scientific procedures
Usage: medical/scientific term; often used in laboratory and clinical contexts

Examples

• The researcher used a micropuncture technique to extract fluid from the cell.
• Micropuncture sampling allowed scientists to analyze kidney function at the nephron level.
• The procedure involved creating a micropuncture in the membrane to insert the electrode.
• Micropuncture methods are essential in modern renal physiology research.
• The surgeon performed a micropuncture to collect a tissue sample for biopsy.