part of part of bounding layer of bounding layer of in taxon membrane secretory granule membrane lamellar body lamellar body membrane 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 GO:0097232 pr cellular organisms