Supracristal plane
Encyclopedia
Supracristal plane is an anatomical transverse plane
lying at the upper most part of the pelvis
, the iliac crest
. This is usually at the level of the L4 vertebrae . It passes through the umbilical region
and the left and right lumbar
regions.
(belly button). It is also used as the divider between the lower (left
and right
) and upper (left
and right) quadrants of the abdomen (where the vertical midline divides left from right).
It is also the level where the abdominal aorta
bifurcates into the left and right common iliac artery
.
Transverse plane
The transverse plane is an imaginary plane that divides the body into superior and inferior parts. It is perpendicular to the coronal and sagittal planes....
lying at the upper most part of the pelvis
Pelvis
In human anatomy, the pelvis is the lower part of the trunk, between the abdomen and the lower limbs .The pelvis includes several structures:...
, the iliac crest
Iliac crest
-External links: - "Superficial muscles of the gluteal region and posterior thigh." - "Anterior Abdominal Wall: Osteology and Surface Anatomy " - "The Back, Posterior View" * *...
. This is usually at the level of the L4 vertebrae . It passes through the umbilical region
Umbilical region
The umbilical region, in the anatomists' abdominal pelvic nine-region scheme, is the area surrounding the umbilicus . This region of the abdomen contains part of the stomach, the head of the pancreas, the duodenum, a section of the transverse colon and the lower aspects of the left and right kidney...
and the left and right lumbar
Lumbar
In tetrapod anatomy, lumbar is an adjective that means of or pertaining to the abdominal segment of the torso, between the diaphragm and the sacrum ...
regions.
Clinical Significance
The Supracristal plane can be used as a landmark for several nerve branches , as well as an approximate marker for the umbilicusNavel
The navel is a scar on the abdomen caused when the umbilical cord is removed from a newborn baby...
(belly button). It is also used as the divider between the lower (left
Left lower quadrant (abdomen)
thumb|right|A Graphic showing Contents of The left lower quadrant of the human abdomen is the area left of the midline and below the umbilicus. The abdomen is divided into quadrants by doctors to localise pain and tenderness, scars, lumps and other items of interest...
and right
Right lower quadrant (abdomen)
thumb|right|A Graphic showing Contents of The Right lower quadrant of the human abdomen, often abbreviated as RLQ, is used to refer to a portion of the abdomen that allows doctors to localise pain and tenderness, scars, lumps and other items of interest...
) and upper (left
Left upper quadrant (abdomen)
thumb|right|A Graphic showing Contents of Left upper quadrantThe Left upper quadrant of the human abdomen, often abbreviated as LUQ, is used to refer to a portion of the abdomen that allows doctors to localise pain and tenderness, scars, lumps and other items of interest...
and right) quadrants of the abdomen (where the vertical midline divides left from right).
It is also the level where the abdominal aorta
Abdominal aorta
The abdominal aorta is the largest artery in the abdominal cavity. As part of the aorta, it is a direct continuation of the descending aorta .-Path:...
bifurcates into the left and right common iliac artery
Common iliac artery
The common iliac arteries are two large arteries that originate from the aortic bifurcation at the level of the fourth lumbar vertebra. They bifurcate into the external iliac artery and internal iliac artery ....
.