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The region named the right hypochondrium exists anatomically, but is almost totally under the chest wall. In clinical situations, the parts of the abdominal wall just below the right and left costal margins are referred to as the right and left hypochondriac regions respectively. [6]
The equivalent in other animals is right anterior quadrant. The right lower quadrant extends from the umbilical plane to the right inguinal ligament. This in other animals is the right posterior quadrant. The nine regions offer more detailed anatomy and are delineated by two vertical and two horizontal lines.
The regions are the left and right hypochondriac regions, so named because they lie under the ribs; the epigastric region which is approximately where the stomach is located between the hypochondriac regions; the right and left lumbar regions which flank the umbilical region (which surrounds the umbilicus, or belly button), the right and left ...
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. The upper three regions, from left to right, are the left hypochondriac, epigastric, and right hypochondriac regions.
The upper right square is the right hypochondriac region and contains the base of the right ribs. The upper left square is the left hypochondriac region and contains the base of the left ribs. The epigastric region is the upper central square and contains the bottom edge of the liver as well as the upper areas of the stomach.
The cranial region includes the upper part of the head while the; facial region includes the lower half of the head beginning below the ears. The forehead is referred to as the frontal region. The eyes are referred to as the orbital or ocular region. The cheeks are referred to as the buccal region. The ears are referred to as the auricle or ...
In anatomy, the epigastrium (or epigastric region) is the upper central region of the abdomen. It is located between the costal margins and the subcostal plane . Pain may be referred to the epigastrium from damage to structures derived from the foregut .
The gallbladder is located on the undersurface of the right lobe of the liver. [9] It produces bile, which is used to help process fats in the body. [9] Humans can live without the gallbladder. [10] The largest lymphatic organ is the spleen, which is dark purple and located under the lower ribs, around the left side of the upper abdomen.