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To remove fluid by suction with a needle is aspiration, which can be done through a centesis, which is a puncture of a body cavity.
I think you are trying to describe a Lumbar Puncture, which is performed in the lower (lumbar) region of the spine.
Cerebrospinal fluid is obtained by lumbar puncture.
The medical term for surgical puncture of the pleural cavity to remove fluid is thoracentesis. This procedure involves inserting a needle through the chest wall to drain excess fluid from around the lungs for diagnostic or therapeutic purposes.
Pericardiocentesis is the surgical puncture of the pericardium to withdraw fluid. This procedure can be used to treat cardiac tamponade, or to get a sample of the fluid for laboratory analysis.
no
The suffix in the term "thoracocentesis" is "-centesis." This suffix is commonly used in medical terminology to indicate a procedure of using a needle to puncture and drain fluid from a body cavity, such as the thorax (chest).
Arthrocentesis is the term meaning surgical puncture of a joint. This procedure is usually done to remove fluid for analysis or to increase comfort.
a spinal tap, or lumbar puncture
lumbar puncture
If there is brown fluid in the chest cavity, it could be blood or pus. This can become dangerous if there is an abundance of fluid.
-centesis is the medical terminology combining form meaning surgical withdrawal of fluid from a body cavity. So arthorcentesis is withdrawal of fluid from a joint, and tympanocentesis is withdrawal of fluid from behind the eardrum.