Supracristal plane
Supracristal plane is a term used in anatomy to describe a horizontal plane passing through the most prominent part of the iliac crests. This plane is significant in the study of the human body as it provides a reference point for the location of various internal organs and structures.
Anatomy[edit | edit source]
The supracristal plane is located at the level of the fourth lumbar vertebra (L4). It is used as a landmark in clinical procedures such as lumbar puncture and epidural anaesthesia. The plane is also used as a reference point in radiological studies to determine the position of the aorta, inferior vena cava, and kidneys.
Clinical significance[edit | edit source]
The supracristal plane is used as a landmark in several clinical procedures. For example, in a lumbar puncture, the needle is usually inserted between the third and fourth lumbar vertebrae, which is approximately at the level of the supracristal plane. Similarly, in epidural anaesthesia, the needle is inserted in the midline between the spinous processes of the lumbar vertebrae, usually at the level of the supracristal plane.
In radiological studies, the supracristal plane is used as a reference point to determine the position of various internal organs. For example, the aorta bifurcates into the common iliac arteries at the level of the fourth lumbar vertebra, which is at the level of the supracristal plane. Similarly, the inferior vena cava bifurcates at the level of the fifth lumbar vertebra, which is slightly below the supracristal plane.
See also[edit | edit source]
References[edit | edit source]
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