This document discusses three medical suffixes: -tropin, -emic, and their meanings and usage. -tropin indicates a hormone that stimulates an organ or system, like gonadotropin which stimulates the gonads. Somatotropin stimulates growth and activity of the body. -emic pertains to blood conditions, like hyperglycemic meaning abnormally high blood sugar, and hypokalemic meaning a potassium deficiency in the blood. Examples of terms using each suffix are provided along with their meanings.