pores
cell membrane
Plasma membrane
It is called cristae. That is due inner foldings
crater like lesion of the skin or mucous membrane, erosion, excoriation?
The Tympanic Membrane. Also, Tympanum or Myrinx. Seriously, learn to wikipedia.
the cell membrane
Another name for the phospholipid bilayer is the plasma membrane or the cell membrane.
Another lipid found in the cell membrane is cholesterol.
mem- cover brane- skin membrane the covering of skin
The membrane that separates one cell from another is called the plasma membrane or cell membrane. It is a phospholipid bilayer that regulates the passage of substances in and out of the cell.
Another word for selectively permeable is semipermeable. This term describes a membrane or barrier that allows certain substances to pass through while blocking others based on size, charge, or other characteristics.
If it's inside the cell membrane and also enclosed in another membrane, it's an organelle. Not all organelles necessarily have membranes, but anything in a cell with a membrane would be an organelle. I would imagine you could call it a membranous organelle to be specific.