following the immunization of balb/c mice with b. pertussis toxin , monoclonal antibodies ( mcab ) to the antigens of human epithelium , both dermal ( the basal , superbasal or all epidermis levels ) and thymic ( the epithelium of the medullary zone , the cortical and medullary epithelium around hassall 's corpuscles ) , have been obtained .
C0040113
thymic
C0229950
hassall 's corpuscles