How can i remember the cell membrane?

I've always found silly ways to remember things.. it may not help you, but it's worth a try! 

Cell membrane - (not to be confused with the cell wall)... i visualise it as a sieve, where diffusion occurs (certain substances can move in and out of the cell). Remember in a plant cell, with a cell wall that the membrane is INSIDE the cell wall. 

Where are the following

Your asshahs has a nice