Rho

1. Rho (upper case Ρ, lower case ρ) is a letter of the Greek alphabet. See Rho (letter).

2. The lower-case letter ρ is used as the symbol for the radius in a polar coordinate system in mathematics.

3. The lower-case letter ρ is used as the symbol for the density of a material in physics.

4. The lower-case letter ρ is used as the symbol for the resistivity of a material in physics.

5. The lower-case letter ρ is used as the symbol for the Rho factor protein in RNA transcription termination.

6. Rho is also the name of a town near Milan, in Italy

7. A small GTPase, which is important in migration and stress fibre formation

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See also: Rho, Density, GTPase, Greek alphabet, Italy, Milan, Polar coordinate system, Resistivity, Rho (letter)