Dermal
Part of speech: adjective
Definition: Of or pertaining to skin or integument.
Stratum
Part of speech: noun
Definition: One of several parallel horizontal layers of material arranged one on top of anotherA layer of sedimentary rock having approximately the same composition throughoutAny of the regions of the atmosphere, such as the stratosphere, that occur as layersA layer of tissueA class of society composed of people with similar social, cultural, or economic statusA layer of vegetation, usually of similar height.