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.
Son of Aphrodite and Ares. In later myths, he was the son of the deities Aphrodite and Ares: it is the Eros of these later myths who is one of the erotes. Eros was associated with athleticism, with statues erected in gymnasia, and was often regarded as the protector of homosexual love between men.