It also allows muscles to grow independently off the body wall.

It also allows organs to grow independently of the body wall.

There is no need to sew the body wall.

When at rest, the limb was folded back against the body wall.

The door was slightly recessed into the body wall of the safe.

All that I am going to add is that the tools may reach outside the individual body wall.

The flukes project from the body wall and provide traction.

These oval-shaped areas within the body wall of the preabdomen.

A remarkable feature of these animals is the collagen which forms their body wall.

The nervous system is very simple, and restricted to the outer layers of the body wall.