+The **abdomen** is the posterior segment of an animal's trunk, positioned between the [thorax](/wiki/thorax) and the [pelvis](/wiki/pelvis). It encases the [peritoneum](/wiki/peritoneum), a cavity holding many vital organs involved in digestion and excretion.
+## See also
+- [Digestion](/wiki/digestion)
+- [Viscera](/wiki/viscera)
+- [Anatomy](/wiki/anatomy)
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