Entry from US English dictionary
The external surface of an animal body that encloses the body cavity and consists of ectoderm and mesoderm.
- The hydrostatic skeleton is a fluid-filled cavity in the body wall, supported by a layer of smooth muscle, which holds the animal rigid in much the same way the air inside a balloon holds it rigid.
- Daphnia females posses a brood chamber located between the body wall and dorsal surface of the carapace used to carry their eggs.
- The forelimbs are specialized to form flippers, and the hind limbs and pelvis are extremely small and do not normally extend out of the body wall of the animal.
For editors and proofreaders
Syllabification: bod·y wall
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