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
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.
it is composed of three layers:an outer cuticular layer,intermediate fibrous layer,and inner mucous layer. the cuticular layer is continued with the skin of external acoustic meaus; the fibrous layer lies b/w cuticular and mucous layer; the mucous layer is continued with the mucous membrane of tympanic membrane.