bounding layer of membrane secretory granule membrane lamellar body lamellar body membrane cellular_component GO:0097232 The lipid bilayer surrounding a lamellar body. A lamellar body is a membrane-bounded organelle, specialized for the storage and secretion of various substances (surfactant phospholipids, glycoproteins and acid phosphates) which are arranged in the form of tightly packed, concentric, membrane sheets or lamellae. Has some similar properties to, but is distinct from, a lysosome. 2012-01-26T10:28:42Z Ascomycota