(roofing) Roofing membranes that are field applied using just one layer of membrane material (either homogeneous or composite rather than multiple layers.

plural of single-ply membrane

plural of ion-selective membrane

plural of protected membrane roof

(immunology) A formation of transmembrane channels on the surface of a pathogenic bacterial cell that disrupts the phospholipid bilayer of the target cell resulting in its destruction.

plural of complement membrane attack complex

(medicine) Synonym of acute necrotizing ulcerative gingivitis

plural of membranectomy

(surgery) excision of a membrane

Without a membrane.