This article will give an overview of medical terminology and the history behind it.
Date Published: 6/29/25
Understanding medical terminology is important for anyone pursuing a career in the healthcare field. Whether you're planning to become a doctor, nurse, or medical researcher, knowledge of medical terms will help you with studying and communicating effectively. This guide will introduce you to the basics of medical terminology, covering essential components like word roots, prefixes, suffixes, and how they combine to form complex medical terms.
1. Word Roots
The root of a word provides its core meaning. In medical terminology, many word roots are derived from Latin or Greek. For instance, "cardi" refers to the heart, while "derm" refers to the skin. By understanding common roots, you can break down and understand medical terms more easily.
Cardi – Heart
Gastr – Stomach
Derm – Skin
Neuro – Nerves
2. Prefixes
A prefix is added at the beginning of a word root and modifies its meaning. It can indicate location, time, number, or status. For example, the prefix "hyper-" means "above normal," as seen in the term "hypertension," which refers to high blood pressure.
Hyper – Excessive, above normal (e.g., hypertension)
Hypo – Below normal (e.g., hypoglycemia)
Brady – Slow (e.g., bradycardia, meaning slow heart rate)
Tachy – Fast (e.g., tachypnea, meaning rapid breathing)
3. Suffixes
A suffix is added to the end of a word root, and it usually indicates a condition, disease, or procedure. For example, "-itis" refers to inflammation, as seen in "dermatitis," which refers to skin inflammation.
-itis – Inflammation (e.g., arthritis)
-ectomy – Surgical removal (e.g., appendectomy)
-ology – The study of (e.g., cardiology)
-pathy – Disease or disorder (e.g., neuropathy)
4. Combining Forms
In some cases, the root word will combine with a vowel to ease pronunciation. For example, "cardi" (heart) combines with the vowel "o" to form "cardiology." This combined form allows for easier pronunciation and more fluid use of terms in medical contexts.
Cardi/o – Heart
Neur/o – Nerve
Derm/o – Skin
Gastr/o – Stomach
5. Building Complex Terms
Once you understand the components of medical terminology—roots, prefixes, and suffixes—you can begin to form complex terms. For example:
Cardiology: The study of the heart (cardi- + -ology)
Dermatology: The study of the skin (derm- + -ology)
Gastroenterology: The study of the stomach and intestines (gastr/o + enter/o + -ology)
6. Abbreviations and Acronyms
In the medical field, abbreviations and acronyms are commonly used to simplify lengthy medical terms. Here are a few examples:
BP – Blood pressure
HR – Heart rate
CPR – Cardiopulmonary resuscitation
EKG/ECG – Electrocardiogram
Conclusion
By mastering medical terminology, you lay a solid foundation for a successful career in healthcare. Understanding the structure of medical terms enables you to communicate effectively with colleagues, understand medical documents, and engage with patients correctly. Medical terminology is crucial to your success in the field.
Works Cited
"Medical Terminology." Mayo Clinic, Mayo Foundation for Medical Education and Research, www.mayoclinic.org/medical-terminology.
"The Basics of Medical Terminology." American Medical Association, 2023, www.ama-assn.org/delivering-care/public-health/basics-medical-terminology.