strong staining was observed in all stratified squamous epithelia ( epidermis , cornea , conjunctiva , tongue , esophagus , vagina , and anus ) , in epidermal appendages ( hair follicle , sebaceous gland , ductal and myoepithelial cells of sweat glands ) , as well as in hassall 's corpuscles of the thymus , indicating that all contain abundant keratins .
C0229950
hassall 's corpuscles
C0040113
thymus