abdominal cavity
noun
plural abdominal cavities
: the cavity of the abdomen that is lined by peritoneum, is bounded above by the diaphragm, anteriorly by a wall of muscle and tissue, and posteriorly by the spinal column, is continuous below with the pelvic cavity, and contains many of the visceral organs and especially those involved in digestion (such as the stomach, liver, pancreas, kidneys, and intestines) : abdomen sense 1b
Most hernias can be pushed back into the abdominal cavity.—
Fred Cicetti
Fred CicettiHe makes a half-inch incision in the navel and inserts a laparoscope, a flexible optical device for inspecting the abdominal cavity.—Matt Clark
Matt ClarkExamples of abdominal cavity in a Sentence
Recent Examples on the Web
The cancer cells spread beyond the abdominal cavity to other organs — which is what had happened in Hind’s case.
—Toria Sheffield, People.com, 25 May 2025
The catheter connects to a valve that regulates CSF flow and tubing that diverts the fluid to the abdominal cavity, where it is safely absorbed.
—Richard Menger Md Mpa, Forbes.com, 23 May 2025
The solution had been inserted into the mummy's abdominal cavity.
—Andrea Margolis, FOXNews.com, 18 May 2025
According to the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), the condition occurs when the appendix develops a hole, allowing bacteria to spill into the abdominal cavity.
—Dave Quinn, People.com, 15 Apr. 2025
The machine is connected to a person's blood vessels (hemodialysis) or to their abdominal cavity (peritoneal dialysis) at regular intervals to carry out the filtering function of the kidneys.10
Kidney transplants are another treatment option for end-stage renal disease.
—Anju Goel, Verywell Health, 1 Apr. 2025
Your abdominal cavity has its own natural pressure system that interacts with the abdominal wall and visceral organs.
—Dana Solomon, Outside Online, 16 Mar. 2025
Examiners will look to test blood and urine, if available, but also could turn to an oily fluid that typically accumulates in lung and abdominal cavities, and samples of muscle and brain, to help determine the causes of death.
—Susan Montoya Bryan, arkansasonline.com, 2 Mar. 2025
The diaphragm is just below the lungs, separating the chest from the abdominal cavity.
—Lana Barhum, Verywell Health, 26 Feb. 2025
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Toria Sheffield, People.com, 25 May 2025
The catheter connects to a valve that regulates CSF flow and tubing that diverts the fluid to the abdominal cavity, where it is safely absorbed.
—Richard Menger Md Mpa, Forbes.com, 23 May 2025
The solution had been inserted into the mummy's abdominal cavity.
—Andrea Margolis, FOXNews.com, 18 May 2025
According to the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), the condition occurs when the appendix develops a hole, allowing bacteria to spill into the abdominal cavity.
—Dave Quinn, People.com, 15 Apr. 2025
The machine is connected to a person's blood vessels (hemodialysis) or to their abdominal cavity (peritoneal dialysis) at regular intervals to carry out the filtering function of the kidneys.10
Kidney transplants are another treatment option for end-stage renal disease.
—Anju Goel, Verywell Health, 1 Apr. 2025
Your abdominal cavity has its own natural pressure system that interacts with the abdominal wall and visceral organs.
—Dana Solomon, Outside Online, 16 Mar. 2025
Examiners will look to test blood and urine, if available, but also could turn to an oily fluid that typically accumulates in lung and abdominal cavities, and samples of muscle and brain, to help determine the causes of death.
—Susan Montoya Bryan, arkansasonline.com, 2 Mar. 2025
The diaphragm is just below the lungs, separating the chest from the abdominal cavity.
—Lana Barhum, Verywell Health, 26 Feb. 2025
Cite this Entry
“Abdominal cavity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/abdominal%20cavity. Accessed 6 Jun. 2025.
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