MedicalTerminology DB
Tests, Imaging & Diagnosis

fine-needle aspiration biopsy

Meaning of fine-needle aspiration biopsy: The removal of tissue or fluid with a thin needle for examination under a microscope.

Definition of fine-needle aspiration biopsy

The removal of tissue or fluid with a thin needle for examination under a microscope. Also called FNA biopsy.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.