these components include : ( 1 ) isolated sheets of the mucociliary epithelium , ( 2 ) flattened epithelial sheets grown in long term primary culture , ( 3 ) dissociated ciliated and mucous cells , ( 4 ) functional , demembranated ciliary tufts , and ( 5 ) isolated populations of discrete , demembranated axonemes .
C0014609
epithelium
C0506994
mucous cells