abdomen: Quick Facts

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Photos

Two anatomical illustrations of the human abdomen: the left shows labeled abdominal organs including liver, stomach, intestines, and rectum, while the right shows the same area covered by the greater omentum.

Encyclopædia Britannica, first edition, art: human thorax and abdomen

Detailed anatomical illustration of the human abdominal wall from an anterior view, showing labeled muscles, ligaments, blood vessels, nerves, fascia, and the diaphragm at the top, with the urinary bladder at the bottom.

Illustration comparing three beetle species-a deathwatch beetle, a click beetle, and a great silver water beetle-using colored arrows to show how body parts scale differently as overall beetle size increases, demonstrating allometry in evolution.

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Topics

spinneret mesosoma metasoma cribellum calamistrum abdominal cavity abdominal muscle laparoscopy laparotomy mesentery lymph skeleton blood bone connective tissue Tissue heart fluid lymphoid tissue Biomolecule

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