What do you mean by the dorsoventrally flattened body?

Dorsoventrally flattened body:

1. It refers to the body, which is flat from the upper as well as the lower surfaces.
2. When the organ of an animal or plant is compressed along its lower and upper side, then it is considered a dorsoventrally flattened body.
3. For example, this type of body is generally witnessed in flatworms.