What root word denotes blood in medical terms?

The root word that denotes blood in medical terms is "hemat/o." This prefix is derived from the Greek word "haima," which translates to "blood." It appears in various medical terms related to blood, such as hematology (the study of blood), hemorrhage (loss of blood), and hematocrit (the proportion of blood volume occupied by red blood cells). Understanding this root word helps in deciphering numerous medical terms associated with the blood and its components, making "hemat/o" a fundamental term in the medical field related to blood and blood-related conditions.