Which part usually appears at the end of a medical term and may indicate a specialty, test, procedure, function, or status?

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In medical terminology, the ending part of a term drives what the term represents. That ending piece is the suffix, and it usually signals a specialty or field, a test or procedure, a function, or a state. The root provides the core meaning (such as heart or stomach), while the prefix can add location or negation, and the combining form links vowels to ease pronunciation. Examples: a term ending in -logy points to a field of study or specialty (cardiology); -ectomy indicates a surgical procedure (gastrectomy); -scopy denotes a procedure involving visual examination (endoscopy); -emia conveys a blood condition or state (anemia, hypoglycemia). These illustrate why the suffix is the part that best matches the described roles.