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Retroperitoneal organs are found behind the peritoneum, between it and the abdominal wall. These include the kidneys, adrenals, and pancreas.

Primarily retroperitoneal:

  • urinary
    • adrenal glands
    • kidneys
  • digestive
    • esophagus (partially)
    • small intestine (partially; for example duedonum with the exception of its first part)
    • ascending colon and descending colon
    • rectum (part, lower third is extraperitoneal)
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13y ago
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6y ago

kidneys, pancreas, rectum,

Retroperitoneal structures Structures that lie behind the peritoneum are termed "retroperitoneal". Organs that were once suspended within the abdominal cavity by mesentery but migrated posterior to the peritoneum during the course of embryogenesis to become retroperitoneal are considered to be secondarily retroperitoneal organs.

  • Primarily retroperitoneal:
    • urinary
      • adrenal glands
      • kidneys
      • ureter
      • bladder
    • circulatory
      • aorta
      • inferior vena cava
    • digestive
      • esophagus (part)
      • rectum (part, lower third is extraperitoneal)
  • Secondarily retroperitoneal:
    • the head, neck, and body of the pancreas (but not the tail, which is located in the splenorenal ligament)
    • the duodenum, except for the proximal first segment, which is peritoneal
    • ascending and descending portions of the colon (but not the transverse or sigmoid)

A useful mnemonic to aid recollection of the abdominal retroperitoneal viscera is SAD PUCKER:

  • S = Suprarenal glands (aka the adrenal glands)
  • A = Aorta/IVC
  • D = Duodenum (second and third segments [some also include the fourth segment] )
  • P = Pancreas (tail is intraperitoneal)
  • U = Ureters
  • C = Colon (only the ascending and descending branches)
  • K = Kidneys
  • E = Esophagus
  • R = Rectum
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6y ago

A useful mnemonic to aid recollection of the abdominal retroperitoneal viscera is SAD PUCKER:

  • S = Suprarenal glands (aka the adrenal glands)
  • A = Aorta/IVC
  • D = Duodenum (second and third segments (some also include the fourth segment )
  • P = Pancreas (tail is intraperitoneal)
  • U = Ureters
  • C = Colon (only the ascending and descending branches)
  • K = Kidneys
  • E = Esophagus
  • R = Rectum
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7y ago

These organs are wrapped by the peritoneum. Parts of the small intestine (i.e. jejunum and ileum) and parts of the large intestine (i.e. transverse colon and sigmoid colon) are intraperitoneal organs.

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7y ago

Retroperitoneal organs are located behind the peritoneum. The kidneys, pancreas, duodenum, ascending colon, and descending colon are all retroperitoneal organs.

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8y ago

The retroperitoneal organs of the abdominal region are the kidneys, ureter, adrenal glands, and bladder.

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11y ago

The kidneys are retroperitoneal. They are behind the lining of the abdominal pelvic cavity.

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13y ago

Kidneys

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Q: What organs in the abdominal region are retroperitoneal?
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Related questions

Why are the kidneys retroperitoneal?

Organs are retroperitoneal if they have peritoneum on their anterior side only. Structures that are not suspended by mesentery in the abdominal cavity and that lie between the parietal peritoneum and abdominal wall are classified as retroperitoneal.


Are the kidneys anatomically located ventrally within the abdomen?

The kidneys are located behind (posterior to) the abdominal cavity, in the retroperotoneum.Yes, the kidneys are located outside of the peritoneal cavity. In anatomy, they are referred to as being "retroperitoneal".No. Unlike the other abdominal organs, the kidneys lie behind the peritoneum that lines the abdominal cavity and are thus considered to be retroperitoneal organs.Yes


What is the division of the abdominal cavity containing those organs posterior to the peritoneal lining?

The retroperitoneal space contains organs in the abdominal cavity that are behind the peritoneal lining.


What body organ is in front of the kidneys?

Most all of the abdominal organs are in front of the kidneys. They are located in a region behind the peritoneum. This is referred to as retroperitoneal. The organs that are in front of the kidneys include the stomach, spleen, small intestine, and colon.


What does the term retroperitioneal mean?

"Retroperitoneal" refers to the retroperitoneal space found in the abdominal cavity behind the peritoneum. The space defines the home of many organs including the kidneys and bladder.


Is the spleen retroperitoneal?

No, the gall bladder is an abdominal organ that is contained within the peritoneum. The retroperitoneal organs are the kidneys, adrenal glands and the ureters - they are outside of the peritoneum.


Is abdominal aorta aintra peritoneal or retroperitoneal?

The abdominal aorta (and inferior vena cava for that matter) is a primary retroperitoneal structure.


What does central retroperitoneal mean?

means anything present behind the peritoneum(The membranous lining of the body cavity especially the abdominal cavity which surrounds most of the organs.


Do retroperitoneal organs have both a serosa and adventitia?

Retroperitoneal organs have only an adventitia. Peritoneal organs have only a serosa.


What is the term for organs that lie within the abdominal cavity but not within the peritoneal cavity?

An organ can be in the abdominopelvic cavity but not the peritoneal cavity if the organ sits below the diaphragm but outside the peritoneal membranes. The kidneys, which are behind the peritoneal membrane (retroperitoneal) are such organs.


What is located behind the peritoneum?

There is one set of organs that is located behind or outside of the peritoneum but still within the abdominal cavity - these are the kidneys. They are said to be located in the retroperitoneum.


The kidneys lie behind what cavity?

Kidneys are retroperitoneal and so lie between the peritoneum and the abdominal wall, in the retroperitoneal space (a part of the abdominal cavity).