abdominal cavity

noun

plural abdominal cavities
: the cavity of the abdomen (see abdomen sense 1) 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)
He makes a half-inch incision in the navel and inserts a laparoscope, a flexible optical device for inspecting the abdominal cavity.Matt Clark
Most hernias can be pushed back into the abdominal cavity.Fred Cicetti

Examples of abdominal cavity in a Sentence

Recent Examples on the Web The baby was soon diagnosed with giant omphalocele, a birth defect of the abdominal wall, in which abdominal contents protrude into a thin-walled sac outside of the abdominal cavity, according to the NIH. Wendy Grossman Kantor, Peoplemag, 5 Mar. 2024 The male deposits a package of sperm into the female’s abdominal cavity before scuttling off. Katie Liu, Discover Magazine, 29 Feb. 2024 The small intestines move around the abdominal cavity freely, like snakes in a bag. Lisa Sanders, M.d., New York Times, 10 Jan. 2024 Normally this causes fever and abdominal pain that is initially felt in the region around the belly button but then moves to the right lower quadrant as the infection and inflammation spread to the highly sensitive lining of the abdominal cavity known as the peritoneum. Lisa Sanders, M.d., New York Times, 10 Jan. 2024 The abdominal cavity is the largest hollow space, containing the greater part of the digestive tract, liver, pancreas, spleen, kidneys and adrenal glands. Scott Lafee, San Diego Union-Tribune, 12 Dec. 2023 According to the Cleveland Clinic, visceral fat is belly fat found deep within your abdominal cavity. Jordan Greene, Peoplemag, 20 Nov. 2023 Using a specialized appendage near his mouth called a pedipalp, the male spider reached forward and carefully slid a packet of sperm into the female’s abdominal cavity. Katie Weeman, Scientific American, 29 Sep. 2023 The fluid from the ovarian cyst can irritate after it's released into your abdominal cavity and before your body absorbs it.3 How long the symptoms of an ovarian cyst rupture last won't be the same for everyone. Colleen Murphy, Health, 18 Aug. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'abdominal cavity.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1745, in the meaning defined above

Time Traveler
The first known use of abdominal cavity was in 1745

Dictionary Entries Near abdominal cavity

Cite this Entry

“Abdominal cavity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/abdominal%20cavity. Accessed 13 Jun. 2024.

Medical Definition

abdominal cavity

noun
: the cavity of the abdomen (see abdomen sense 1a) 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
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