stratum granulosum of epidermis
http://purl.obolibrary.org/obo/UBERON_0002069
http://purl.obolibrary.org/obo/UBERON_0001003
http://purl.obolibrary.org/obo/UBERON_0004121
http://purl.obolibrary.org/obo/UBERON_0013754