specimens taken more than 48 h after rubbing showed a spectrum of changes which included : loss of epithelial mass , expansion and interconnection of keratin cysts , thinning of the epithelium , proliferation of epithelial strands from the residual epithelium , increase in size of epithelial cells , and evidence of hair follicle relationships including trichostasis spinulosa and , in one specimen , hair germ proliferation .
C0014609
epithelium
C0014597
epithelial cells