while chicken rpe cells contain only ifs of the vimentin type and do not possess desmosomes and desmosomal proteins rpe cells of diverse amphibian ( rana ridibunda , xenopus laevis ) and mammalian ( rat , guinea pig , rabbit , cow , human ) species express cytokeratins 8 and 18 either as their sole if proteins , or together with vimentin ifs as in guinea pig and a certain subpopulation of bovine rpe cells .
C0011703
desmosomes
C0007634
cells