membrane
a lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it
plasma membrane
biological membrane that separates the interior of a cell from its outside environment
chloroplast membrane
either of the lipid bilayers that surround a chloroplast and form the chloroplast envelope
basilar membrane
tiff structural element within the cochlea of the inner ear which separates two liquid-filled tubes
outer membrane
any outer membrane
undulating membrane
microbiological aspect