A 2015 paper discovered them not just lurking but bristling with activity in the keratinized epithelial cells of human skin. The new research gets into the question of what exactly they are doing ...

In young mice (A), CK1 staining extends from the fully keratinized epidermis into the ... the orifice appeared plugged with epithelial cells that stained with antibodies to CK6 and not CK1 ...

Epidermis consists of stratum germinativum and outer stratum corneum Five layers, from outside in: First, a thick, dead, heavily keratinized layer formed by death of cells and deposition of keratin in ...