The major characteristics of the structure and location of the four types of membranes are:
1. Mucous Membranes (mucosa)
Epithelial Layer
Goblet cells
Mucus
Lamina Propria
2. Serous Membranes
Visceral and parietal layers
Serous fluid
Mesothelium
3. Cutaneous Membranes
Keratinized
Nonkeratinized
4. Synovial Membranes
Articular cartilage
Synovial fluid
Bursae
