unit membrane

noun

: the limiting membrane of cells and various organelles viewed formerly as a 3-layered structure with an inner lipid layer and two outer protein layers and currently as a fluid phospholipid bilayer with intercalating proteins

Word History

First Known Use

1958, in the meaning defined above

Medical Definition

unit membrane

noun

: the limiting membrane of cells and various organelles viewed formerly as a 3-layered structure with an inner lipid layer and two outer protein layers and currently as a fluid phospholipid bilayer with intercalated proteins