Supracristal plane
Supracristal Plane
The Supracristal Plane (pronunciation: soo-pra-kris-tal plane) is a term used in anatomy to describe a horizontal plane passing through the highest points of the iliac crests in the human body.
Etymology
The term "Supracristal" is derived from the Latin words "supra" meaning above, and "crista" meaning crest. This refers to the plane's position above the crests of the iliac bones.
Definition
The Supracristal Plane is an anatomical reference point used in medical examinations and procedures. It is a horizontal plane that passes through the highest points of the iliac crests, which are the curved superior borders of the largest bone of the pelvis, the ilium. This plane is approximately at the level of the fourth lumbar vertebra (L4) and is used as a landmark for lumbar punctures and epidural anaesthesia.
Related Terms
- Ilium: The largest bone of the pelvis, which forms the prominence of the hip.
- Lumbar vertebrae: The five vertebrae between the rib cage and the pelvis, which make up the lumbar region of the spine.
- Lumbar puncture: A medical procedure where a needle is inserted into the lumbar region of the spine to collect a sample of cerebrospinal fluid.
- Epidural anaesthesia: A type of anaesthesia commonly used in childbirth and in some types of surgery, which blocks pain in a particular region of the body.
External links
- Medical encyclopedia article on Supracristal plane
- Wikipedia's article - Supracristal plane
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