What is the meaning of the combining form "erythr/o" in medical terminology?

The combining form "erythr/o" in medical terminology specifically refers to the color red. This form is often used in various medical terms related to red blood cells or red-colored tissues. For example, "erythrocyte" denotes a red blood cell, and "erythropoiesis" is the process of producing red blood cells. Understanding the meaning of this combining form is crucial for interpreting a wide range of terms in the medical field that relate to blood and its components.