According with the most recent research, an active lesion is composed of different layers:

The core may be composed of solid and liquid layers.

These are foils composed of multiple layers of thin sheets.

Its tube has a "tube-in-tube" structure composed of several thin layers.

The snowpack is composed of ground-parallel layers that accumulate over the winter.

Just as we ourselves are composed of different layers and varying textures.

The artist believes that just as her work is composed of numerous layers so too is our existence.

The jawbreaker is composed of several discrete layers to mirror the color-changing effect from the book.

All of them are composed of several layers and each layer is a different kind of line.

Both intestines share a general structure with the whole gut, and are composed of several layers.