Abdominal cavity and Bodily cavity

Abdominal cavity noun - The cavity containing the major viscera; in mammals it is separated from the thorax by the diaphragm.

Bodily cavity and abdominal cavity are semantically related. In some cases you can use "Bodily cavity" instead a noun phrase "Abdominal cavity".

Bodily cavity noun - (anatomy) a natural hollow or sinus within the body.

Abdominal cavity and bodily cavity are semantically related. Sometimes you can replace phrase "Abdominal cavity" with "Bodily cavity", this phrases are similar.