Fine-Needle Aspiration

**Semantic type:** Diagnostic Procedure

**Definition:** The removal of tissue or fluid with a thin needle for examination under a microscope.

**Synonyms:** - Aspirate, Fine Needle - FINE NEEDLE ASPIRATION - FNA - FNA biopsy - Fine Needle Aspiration - Fine Needle Aspiration - Fine Needle Aspiration - Fine Needle Biopsy - fine-needle aspiration biopsy