Air bladder and Bladder

Air bladder noun - An air-filled sac near the spinal column in many fishes that helps maintain buoyancy.

Bladder and air bladder are semantically related. In some cases you can replace term "Bladder" with "Air bladder", this terms are similar.

Bladder noun - A distensible membranous sac (usually containing liquid or gas).

Air bladder and bladder are semantically related. Sometimes you can replace phrase "Air bladder" with "Bladder", this terms are similar.

Nearby Word: bladdery