Category: C

A method of pain relief that involves injecting an anaesthetic into the base of the spine to remove feeling in the lower part of the body.  

An anaesthetic, injected into the base of the spine to remove feeling in the lower part of the body. It is often used in childbirth.  

A group of nerves which go from the spinal cord to the lumbar region and the coccyx. The bundle of spinal nerves arising from the lumbosacral and lumbar region. A group of nerve roots with a common covering at the lower end of the spinal cord. Nerve roots in the cauda equina provide motor and…

The act of putting a catheter into a patient’s body. A procedure in which a narrow hollow tube is introduced into a body part to examine it; remove fluid or tissue; or introduce fluid, medication, or diagnostic material such as contrast medium. The introduction of a catheter into a hollow organ. This is most often…

A thread made from part of the intestines of sheep, now usually artificially hardened, used to sew up cuts made during surgery. Chemically treated suture (sewing) material made from the tissues of mammals and used in surgery; also shortened to gut. A fibrous material prepared from the tissues of animals, usually from the walls of…

A classification, the way in which things can be classified. A pigeonhole (“class”) of a classification (scheme). For each category there is a definition and an explicit list of all the entities to be placed under (within) the category in question. The label of a category is called its rubric (although “rubric” sometimes is used…

A lens on which a cataract has formed.  

The surgical removal of a cataract from the eye.  

A chemical reaction which is caused by a catalyst which does not change during the reaction.