Structures of the dermis, epidermis, glands and pigment cells recognizable on the external surfaces of the integument.
Comment:
Not clear how this differs from parent class. See https://github.com/obophenotype/uberon/issues/1305; [provenance-note] "This class was sourced from an external ontology (amphibian_anatomy). Its definitions, naming conventions and relationships may need to be checked for compatibility with uberon" xsd:string {source="http://purl.obolibrary.org/obo/aao.owl"}