9 regions of abdomen and organs

The abdomen has three layers — skin, superficial fascia and muscle. The abdomen houses important organs in the body. It is an essential area of study for doctors when they are assessing pain and illness in patients. The body of the abdomen when viewed from a frontal view is divided into nine imaginary planes, in both vertical and horizontal directions. The nine regions of the abdomen can help determine specific ailments and are of clinical importance.

Three horizontal lines and two vertical lines create nine regions of the abdomen. Below is an image of the regions of the abdomen, which are formed within these planes.

9 Regions of Abdomen made simple

Below is a reference video, which explains the differential diagnosis of abdominal pain according to the abdominal region. This video explains the quadrants of the abdomen. It also discusses which issues can occur in each of the quadrants and regions of the abdomen.

9 regions of abdomen and organs

Dividing the abdomen into various sections will help doctors determine what the cause of the illness is. The abdomen can also be divided into four quadrants:.

Organs found in this quadrant include the liver, the gall bladder, duodenum the upper portion of the pancreas and the hepatic flexure of the colon. The RUQ is commonly tender in cases of hepatitis, cholecystitis and with the formation of a peptic ulcer. The right lower quadrant extends from the median plane to the right side of the body and then from the umbilical plane to the right inguinal ligament.

Important organs found in the right lower quadrant include the appendix, the upper portion of the colon, the right ovary and Fallopian tube in women and the right ureterpenus. The right lower quadrant may be assessed when diagnosing appendicitis in which case this quadrant would be tender and painful.

The left upper quadrant rests alongside the RUQ. The left upper quadrant is formed by the median plane extending to the left of the patient and with the umbilical plane to the left rib cage.

Organs found in the left upper quadrant are the stomach, the spleen, the left portion of the liver, and the main body of the pancreas. The left portion of the kidney and the adrenal gland are also found in this quadrant.

The splenic flexure of the colon and the bottom portion of the colon also sit in the left upper quadrant. The LUQ will be tender and a point of interest in cases of appendicitis and abnormalities of the intestines such as malrotation.

The left lower quadrant is located below the umbilicus plane. Essential organs found in this region include the bottom portion of the colon, the sigmoid colon, the left ovary, Fallopian tube and the left uterine tube.

The doctors will assess this area if there is abdominal pain in this region. Abdominal pain in the LLQ may be a symptom of colitis, diverticulitis, or ureteral colic. Pain in this region may also be caused by ovarian cysts or a pelvic inflammation. Tumors found in this region can be serious determinants of colon or ovarian cancer. Copyright WWW. Last Updated 25 January, Organs in 9 Abdomen Regions.The nine abdominal regions divide the abdomen into even smaller sections by using two parasagittal planes that run down the middle of the clavicle bones also called midclavicular planes and two horizontal transverse planes.

The superior transverse plane is called the subcostal plane, and it is located just below the ribs. The intertubercular plane is the inferior transverse planeand it intersects the tubercles of the pelvis, running just inferior to the navel. Remember, a huge tip for studying anatomy is to learn common prefixes and suffixes, as they will help you over and over again!

That takes care of the left and right columns. Unlike the regions on the left and right side columns, these regions are named after their location relative to the stomachnot the bones. If you need a quick memory trick to keep these regions straight, remember that for the side columns, the names are the same from top to bottom: Hypochondriac, then Lumbar, and then Iliac HLI.

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Organs in 9 Abdomen Regions

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Important Links Advertise Contact Us. Get Free Email Updates: Enter your email address below and hit "Submit" to receive free email updates and nursing tips.The abdomen has three layers — skin, superficial fascia and muscle. The abdomen houses important organs in the body. It is an essential area of study for doctors when they are assessing pain and illness in patients. The body of the abdomen when viewed from a frontal view is divided into nine imaginary planes, in both vertical and horizontal directions.

The nine regions of the abdomen can help determine specific ailments and are of clinical importance. Three horizontal lines and two vertical lines create nine regions of the abdomen. Below is an image of the regions of the abdomen, which are formed within these planes. Below is a reference video, which explains the differential diagnosis of abdominal pain according to the abdominal region.

This video explains the quadrants of the abdomen. It also discusses which issues can occur in each of the quadrants and regions of the abdomen. Dividing the abdomen into various sections will help doctors determine what the cause of the illness is. The abdomen can also be divided into four quadrants:. Organs found in this quadrant include the liver, the gall bladder, duodenum the upper portion of the pancreas and the hepatic flexure of the colon.

The RUQ is commonly tender in cases of hepatitis, cholecystitis and with the formation of a peptic ulcer.

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The right lower quadrant extends from the median plane to the right side of the body and then from the umbilical plane to the right inguinal ligament. Important organs found in the right lower quadrant include the appendix, the upper portion of the colon, the right ovary and Fallopian tube in women and the right ureterpenus.

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The right lower quadrant may be assessed when diagnosing appendicitis in which case this quadrant would be tender and painful. The left upper quadrant rests alongside the RUQ. The left upper quadrant is formed by the median plane extending to the left of the patient and with the umbilical plane to the left rib cage.

Organs found in the left upper quadrant are the stomach, the spleen, the left portion of the liver, and the main body of the pancreas. The left portion of the kidney and the adrenal gland are also found in this quadrant.

The splenic flexure of the colon and the bottom portion of the colon also sit in the left upper quadrant. The LUQ will be tender and a point of interest in cases of appendicitis and abnormalities of the intestines such as malrotation.

9 regions of abdomen and organs

The left lower quadrant is located below the umbilicus plane. Essential organs found in this region include the bottom portion of the colon, the sigmoid colon, the left ovary, Fallopian tube and the left uterine tube. The doctors will assess this area if there is abdominal pain in this region.

Abdominal pain in the LLQ may be a symptom of colitis, diverticulitis, or ureteral colic. Pain in this region may also be caused by ovarian cysts or a pelvic inflammation.

Tumors found in this region can be serious determinants of colon or ovarian cancer. Copyright WWW. Last Updated 25 January, Organs in 9 Abdomen Regions. Doctors often assess this portion to localize pain and tenderness.Anatomists and medical personnel divide the abdominopelvic cavity into smaller regions to facilitate study and discussion.

These divisions are often used to categorize the individual abdominal organs by their location and function and are used by clinicians to help diagnose the source of abdominal pain and determine appropriate treatment.

The most common divisions for the abdominopelvic region are the four quadrants and nine regions. Abdominal nine divisions a and quadrant regions b : The abdomen is subdivided into four quadrants and nine areas. The abdominopelvic region can be divided into four quadrants. These quadrants are defined by the intersection of the sagittal plane with the umbilical plane the transverse plane through the navel.

Clinicians use these regions to determine the organs and tissues that may be causing pain or discomfort in that region. The right upper quadrant contains the right portion of the liver, the gallbladder, right kidney, a small portion of the stomach, the duodenum, the head of the pancreas, portions of the ascending and transverse colon, and parts of small intestine. Pain in this region is associated with infection and inflammation in the gallbladder and liver or peptic ulcers in the stomach.

The left upper quadrant is the location of the left portion of the liver, part of the stomach, the pancreas, left kidney, spleen, portions of the transverse and descending colon, and parts of the small intestine.

Pain in this region is associated with malrotation of the intestine and colon. In the right lower quadrant sits the cecum, appendix, part of the small intestines, the right half of the female reproductive system, and the right ureter. Pain in this region is most commonly associated with appendicitis.

The left lower quadrant houses the majority of the small intestine, some of the large intestine, the left half of the female reproductive system, and the left ureter. Pain in this region is generally associated with colitis inflammation of the large intestine as well as pelvic inflammatory disease and ovarian cysts in females. The nine divisions of the abdominopelvic region are smaller than the four quadrants, allowing for a more detailed discussion.

9 regions of abdomen and organs

These divisions are marked by two parasagittal and two transverse planes centered around the navel. Most organs are part of multiple regions, including the gallbladder, duodenum, stomach, kidneys, spleen, small intestine and colon. The perineum the area beneath the hypogastric region at the bottom of the pelvic cavity is sometimes considered to be a tenth division in this system.

The right hypochondriac region contains the right portion of the liver, the gallbladder, the right kidney, and parts of the small intestine. The left hypochondriac region contains part of the spleen, the left kidney, part of the stomach, the pancreas, and parts of the colon. The epigastric above stomach region contains the majority of the stomach, part of the liver, part of the pancreas, part of the duodenum, part of the spleen, and the adrenal glands. This region pushes out when the diaphragm contracts during breathing.

The right lumbar region consists of the gallbladder, the left kidney, part of the liver, and the ascending colon.

Four Abdominal Quadrants and Nine Abdominal Regions

The left lumbar region consists of the descending colon, the left kidney, and part of the spleen. The umbilical region contains the umbilicus naveland many parts of the small intestine, such as part of the duodenum, the jejunum, and the illeum. It also contains the transverse colon the section between the ascending and descending colons and the bottom portions of both the left and right kidney.If you aspire to be a healthcare professional in the future, this is a topic you must learn.

For instance, when nurses perform abdominal inspection and assessment, the abdominal region is divided into four quadrants and nine regions.

For aspiring nurses and other healthcare professionals, listen up. Communication and documentation with the medical team require the knowledge of the abdominal quadrants. So this is a MUST-learn topic. This article will discuss the four abdominal quadrants, nine abdominal regions, and the organs located in the area. The transverse plane, others call it a transumbilical plane, divides the lower and upper quadrants.

The median plane, also known as the midsagittal plane, divides the left and right quadrant. It is not the perspective of the healthcare professional. This should not be mixed up as it may lead to a misdiagnosed disease. Or worse, potential complications on the patient. Now that you know the four abdominal quadrants, it is time to learn the organs located in the area.

Why is this important? Pain in a specific region is indicative of an underlying disease. Imagine this table as the four abdominal quadrants. Organs may overlap the four quadrants. For instance, the large and small intestines are located on all four quadrants. Aside from the four abdominal quadrants, there are more detailed sections.

These are the nine abdominal regions. Draw two imaginary parasagittal planes, trace an imaginary line in between the clavicles. This is also known as the midclavicular bones. Then another two imaginary horizontal planes also known as the transverse planes.

It is also vital to remember prefixes and suffixes in the medical field. This saves you time in memorizing once you understand the prefix and suffixes. It also helps if you know the muscles or bones of the body. There will be a slight change in the prefix and suffix. Like in the nine abdominal regions, these are named after the nearest bones in the region.

To understand more, here is Table 1 divided into nine parts. Imagine the abdominal area divided into these nine regions. Table 2 is a summarized description, derivation, and organs involved in the particular region.

Chondriac — cartilage of ribs Right portion below the rib cartilage — Liver. Gastric — stomach, belly Above the stomach — Liver. Chondriac — cartilage of ribs Left portion below the rib cartilage — Spleen. Gastric — stomach, belly Below the stomach — Bladder. Healthcare professionals, especially nurses, conduct a complete physical assessment. Four techniques are used to assess the abdomen. These are; Inspection, Auscultation, Palpation, and Percussion.

It is important to familiarize yourself with the quadrants in order to help in the differential diagnosis. One good example is diagnosing acute appendicitis. The patient will describe epigastric pain, migrating to the Right Lower Quadrant.If you were to divide the abdomen with three lines running both vertically and horizontally, you would have the following regions:.

If three lines were too many and you wanted to break things down into two lines — four boxes or quadrants, rather than nine, you can break them down into the following:. Pain and tenderness in this area can be caused by conditions such as cholecystitis, hepatitis, and also the beginnings of a peptic ulcer. If you were suffering with appendicitis, for example, the pain and tenderness would be localised to the right lower quadrant.

In both sexes you will find the sigmoid and bottom section of the colon. If you have abdominal pain, it is likely to come from the lower left quadrant, and it could be a sign of a number of conditions, including colitis, ureteral colic, or diverticulitis.

Pelvic inflammation such as is found with pelvic inflammatory disease and ovarian cysts can also cause pain in this area, and even tumours associated with cancers, including colon and ovarian cancer. March 3, There are three layers to the abdomen, and they are known as the muscle, superficial fascia, and the skin. Within the abdomen itself, there are some organs that are considered to be major organs, and because of this, it needs to well protected and taken care of. When looking at the abdomen from the front of the body, it can be broken down into nine main regions, almost like a criss-cross board with lines running both horizontally and vertically.

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When visiting a doctor, the medical professional will usually working within the 9 regions of the abdomen to work out what is causing your pain and discomfort or symptoms, and this will be systematic. There are 9 abdomen regions or Stomach Regions …. Healthmad Team. Leave A Comment Cancel reply Your email address will not be published. Save my name, email, and website in this browser for the next time I comment.The human abdomen is divided into quadrants and regions by anatomists and physicians for the purposes of study, diagnosisand treatment.

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 anatomysince 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.

The 4 Quadrants and 9 Regions of The Abdomen

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 left lower quadrant LLQ of the human abdomen is the area left of the midline and below the umbilicus. The LLQ includes the left iliac fossa and half of the left flank region.

The equivalent term for animals is left posterior quadrant. Important organs here are:. The left upper quadrant LUQ extends from the median plane to the left of the patient, and from the umbilical plane to the left ribcage. The equivalent term for animals is left anterior quadrant.

The right upper quadrant RUQ extends from the median plane to the right of the patient, and from the umbilical plane to the right ribcage.

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The equivalent term for animals is right anterior quadrant. The right lower quadrant RLQ extends from the median plane to the right of the patient, and from the umbilical plane to the right inguinal ligament. The equivalent term for animals is right posterior quadrant. Nine regions of the abdomen can be marked using two horizontal and two vertical dividing lines. The vertical lines are the mid-clavicular lines taken from the mid-point of each clavicle.

The upper horizontal line is the subcostal line taken from the inferior parts of the lowest costal cartilages.

Quadrants and regions of abdomen

The lower horizontal line is the intertubercular line connecting the tubercles of the pelvis. The three main centrally positioned regions are the epigastric regionthe umbilical regionand the hypogastric region also known as the pubic region. On the sides of the abdomen the other six regions are the left and right hypochondriac regionson either side of the epigastrium; the left and right lumbar flank regionson either side of the umbilical region, and the left and right iliac or inguinal regions on either side of the hypogastrium.


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