Function: oo support, connection, fixation % seml-permeable membrane o induce the movement, proliferation and differentiation of epi cell intermediate filament local 日P230 adhesion plectin Lamina densa type XVil collagen t broroticular amanin 5 projections of lam na densa type VIl collagen reticular elastc fiber 330 Function: ❖ support, connection, fixation ❖ semi-permeable membrane ❖ induce the movement, proliferation and differentiation of epi.cell