...(corresponding to the membranes present in a cell, around the nucleus, in Golgi apparatus, vesicles, etc); a membrane without any other membrane inside...elementary. Each membrane determines a compartment, also called region, the space delimited from above by it and from below by the membranes placed directly...

...several internal membranes (corresponding to the membranes present in a cell, around the nucleus, in the Golgi apparatus, vesicles, mitochondria, etc.); a...elementary. Each membrane determines a compartment, also called region, which is the space delimited from above by it and from below by the membranes placed...

...(corresponding to the membranes present in a cell, around the nucleus, in Golgi apparatus, vesicles, etc); a membrane without any other membrane inside...elementary. Each membrane determines a compartment, also called region, the space delimited from above by it and from below by the membranes placed directly...

...membrane and usually called the skin membrane). Several membranes can be placed inside the skin membrane; a membrane without any other membrane inside it is...elementary. Each membrane determines a compartment, also called a region, which is the space delimited from above by the membrane itself and from below...

...membrane identifies a region delimited by it and the membranes placed directly inside it (if any) . A membrane without any other membrane inside it is said to be elementary. The membrane surrounding the cell which is the highest in the hierarchy is called the skin membrane....