fine-needle aspiration biopsy
(... NEE-dul AS-pih-RAY-shun BY-op-see)
The removal of fluid, cells, or tissue with a thin needle for examination under a microscope. Also called FNA biopsy.
The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.
Updates regarding government operating status and resumption of normal operations can be found at opm.gov.