mucoperiosteum
cuticle
Matrix
Cell membreneA layer that controls what enters and what leaves the cell. Or a protective covering enclosing the entire cell.(controls substances going in and out of the cell.)
The outermost protective covering the the brain is the dura mater, the outermost of the meningeal layers.
cuticle it on the leaf for the bugs to eat to keep out posion
The Ozone layer
The outermost layer of the skin is called the epidermis.
cuticle
parietal layer
the bit on ya nail
layer, covering, coating, skin, surface, shell
D. Cuticle
Go to best buy or game stop
The homograph for a tree covering is "bark." This term can refer to the protective outer layer of a tree's trunk or the sound a dog makes.
Matrix
The ozone layer acts a protective shield on the surface of earth. This layer blocks out the harmful Uv radiations emitted from the surface of the sun.
Several sheets or materials of a type are covering a surface.