A biopsy procedure in which a fine needle is placed into a lump to extract cells.

Removing the lining of the uterus (endometrium) through a needle.

A procedure in which tissue is removed from an organ or lymph node using a needle….

A test where a needle is inserted into the spinal column to collect fluid. Also called a spinal tap.

A procedure in which a hollow needle is inserted between the ribs in order to drain excess fluid. Also called a pleural tap….

A traditional form of Chinese medicine in which fine, sterile needles are inserted into points in the body to reduce symptoms of ill health.