Another name for a protective underlying layer of skin is Hypodermis.
It is usually the third layer of skin in the body under the skin layers dermis, and epidermis. the first layer of skin is the epidermis. the second layer of skin is the dermis. The third layer of skin is the hypodermis which is usually protecting the nerve endings and sweat glands from being harmed from any bacteria or fungi and viruses.
Ozone layer is consisted in the stratosphere layer. This layer is very protective for human population.
The ozone layer is a part of another layer within it. The name of the layer is Stratosphere in atmosphere.
theorems
The outer bark of a tree protects it.
An aquifuge is an alternative name for an aquiclude, a solid, impermeable layer underlying or overlying an aquifer.
the earths outer layer
epidermis
subcutaneous layer
The cortex means the outer layer like the bark of a tree. The cerebral cortex is the bark (outer layer) of the brain.
The stratosphere is a layer in atmosphere. It contains another layer within it. The name of that layer is ozone layer.
Another name for Earth's or any other planets rock layer is called "The Crust"
subcutaneous layer