What is the meaning of the prefix "bi-"?

The prefix "bi-" originates from Latin and signifies "two." This prefix is commonly used in various medical and scientific terminologies to denote a duality or a pair. For instance, the term "bicycle" refers to a vehicle with two wheels, and in the context of medicine, "bicuspid" refers to a heart valve with two flaps. Understanding this prefix is crucial for interpreting and learning medical vocabulary as it frequently appears in terms describing relationships, functions, and structures involving pairs or doubles.