Basement Membrane a sheet of membrane btw epi cells and underlying CT HE pink color, hard to see EM: - amina lucida(透明板 lamina basal(基板)冫20-300nm, electron-dense, thread-liked and amorphous ground substance, produced by epi Cell -reticular lamina(px*): RT+ground substance, produced by Ct termed n'n BP230 na versa megrin fororeticular laminin 5 amira tonen type Vi collagen fibrillin microfibril29 ◆ a sheet of membrane btw epi.cells and underlying CT. ◆ HE pink color, hard to see ◆ EM: --lamina lucida (透明板) --lamina basal (基板): 20-300 nm, electron-dense, thread-liked and amorphous ground substance, produced by epi. Cell --reticular lamina (网板): RT+ground substance, produced by CT Basement Membrane