Side-by-side comparison of the quadrants and regions of the abdomen.
Anatomical terminology
[edit on Wikidata]
The human abdomen is divided into quadrants and regions by anatomists and physicians for the purposes of study, diagnosis, and treatment.[1][2] The division into four quadrants allows the localisation of pain and tenderness, scars, lumps, and other items of interest, narrowing in on which organs and tissues may be involved. The quadrants are referred to as the left lower quadrant, left upper quadrant, right upper quadrant and right lower quadrant. These terms are not used in comparative anatomy, since most other animals do not stand erect.
The left lower quadrant includes the left iliac fossa and half of the flank. The equivalent in other animals is left posterior quadrant. The left upper quadrant extends from the umbilical plane to the left ribcage. This is the left anterior quadrant in other animals. The right upper quadrant extends from umbilical plane to the right ribcage. 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.
^Elsevier, Dorland's Illustrated Medical Dictionary, Elsevier.
^Wolters Kluwer, Stedman's Medical Dictionary, Wolters Kluwer.
and 25 Related for: Quadrants and regions of abdomen information
The human abdomen is divided into quadrantsandregions by anatomists and physicians for the purposes of study, diagnosis, and treatment. The division...
lower limit of the liver, while the right nipple is about half an inch above its upper limit. The abdomen can be divided into quadrants or regions to describe...
transumbilical plane and its intersection with the median plane to divide the abdomen into four quadrants. Regionsof the abdomen. Kenhub. https://www...
division of the abdomen into regions can employ a nine-region scheme. The hypochondrium refers to the two hypochondriac regions in the upper third of the abdomen;...
can be divided into either nine regions or four quadrants. Quadrants The abdomen may be divided into four quadrants, more commonly used in medicine,...
about what may be causing the pain. The abdomen can be divided into four regions called quadrants. Locations and associated conditions include: Diffuse...
sections called quadrants. They are the right upper quadrant, the left upper quadrant, the right lower quadrant, and the left lower quadrant. The directional...
and 49 in number, they drain lymph vessels from the lateral quadrantsof the breast, the superficial lymph vessels from thin walls of the chest and the...
used as the divider between the lower (left and right) and upper (left and right) quadrantsof the abdomen (where the vertical midline divides left from...
the left, right, or central regionsof the abdomen. There is sometimes nausea and vomiting. The symptoms may mimic those of acute appendicitis, diverticulitis...
infections. In humans, the spleen is purple in color and is in the left upper quadrantof the abdomen. The surgical process to remove the spleen is known...
(the center of the abdomen above the navel, or belly-button) And/or in the right upper quadrantof the abdomen (below the right side of the rib cage)...
is an injury to the abdomen. Signs and symptoms include abdominal pain, tenderness, rigidity, and bruising of the external abdomen. Complications may include...
skeletal and genital anomalies. Abdomen – The part of the body between the chest and pelvis, which contains most of the tubelike organs of the digestive...
This is a table of skeletal muscles of the human anatomy, with muscle counts and other information. Skeletal muscle maps Anterior view Posterior view A...
to the presence of the following criteria: A history of widespread pain lasting more than three months – affecting all four quadrantsof the body, i.e....
chest andabdomen in around a third of patients. Rhonchi (rattling breathing sounds) are heard in the base of the lungs. The abdomen is distended and painful...
species of blow fly characterized by a metallic outer appearance and reddish eyes. They usually have a shiny green or greenish/blue abdomen with bronze/coppery...
involves the jaw or other facial bone, abdomen, cecum, distal ileum, ovaries, kidney, or breast. Less than 10% of cases present with central nervous system...
pain in the right upper quadrant of the abdomen, fever, and weight loss. Lung tumors often cause the release of body-altering hormones, which cause unusual...
ligaments, and space surrounding the rectum. Several cases have been located outside of the pelvis, such as in the liver, appendix, upper abdomen, and mesentery...
quadrantof the abdominal cavity. The top of the stomach lies against the diaphragm. Lying behind the stomach is the pancreas. A large double fold of...
dysplasia. The location of cervical cancer can be described in terms ofquadrants, or corresponding to a clock face when the subject is in supine position...
fever, liver enlargement, and pain in the right upper quadrantof the abdomen. This hepatitis often results in the elevation of transaminase values, although...