Quick Answer. The cell membrane is a semipermeable lipid bilayer that surrounds the cytoplasm of all cells. In animal cells, it is the outermost layer of the cell. In plants, fungi and some bacteria, a cell wall surrounds the cell membrane to form the cell's outermost layer.
Updated February 19, 2016. Definition: Eros is the name of a Greek god of love. Eros is also a Greek word for love, specifically the kind of love involved in sexual desire. Eros is also one of the primordial creatures, the complement to Chaos. Together Chaos and Eros created the universe.
There are different forms and styles of expressing love. To describe these styles, the Ancient Greeks came up with four terms (Eros, storge, agape and philia) to symbolize the four types of love. Let us look at these four loves in details.