Modifiers matching membrane:

• intact,
• epithelial,
• synthetic,
• biological,
• active,
• macromolecular,
• flexible,
• elastic,
• heterogeneous,
• logical,
• imperforate,
• protective,
• circular,
• cellular,
• resonant,
• pliable,
• permeable,
• collagenous,
• waterproof,
• warm,
• continuous,
• multicellular,
• extracellular,
• inorganic,
• metallic,
• internal,
• impermeable,
• refractory,
• mucous,
• vascular,
• thin,
• impervious,
• porous,
• thick,
• mucosal,
• intracellular,
• homogeneous,
• excitable,
• sensitive,
• nonporous,
• proteinaceous,
• biologic,
• natural,
• fetal,
• moist,

Simple categories matching intact:

• protein,
• body,
• material,
• group,
• tissue,
• immunoglobulin,
• muscle,
• organ,
• antibody,
• system,
• organs,
• membrane,