Explore complex medical terms, including root words, prefixes, and suffixes to understand their meanings and how they are used in healthcare settings.
Advanced Medical Terminology – Study Notes
1. Foundations of Medical Language
| Aspect |
Details |
| Etymology |
Most terms derive from Greek (e.g., cardio‑ “heart”) and Latin (e.g., ‑itis “inflammation”). |
| Word‑building units |
- Prefixes (pre‑, hypo‑, hyper‑)
- Roots (cardi‑, neuro‑, hepat‑)
- Suffixes (‑ectomy, ‑ology, ‑emia) |
| Pronunciation guides |
Use the International Phonetic Alphabet (IPA) or simple phonetic cues (e.g., “/kɑr‑dee‑ˈoʊ/ – cardio”). |
| Abbreviation rules |
Capitalized abbreviations for proper nouns (e.g., MRI, CBC); lowercase for common descriptors (e.g., q.d., p.o.). |
2. Major Word‑Building Patterns
| Pattern |
Example |
Meaning |
| Root + Suffix |
Nephritis |
Inflammation of the kidney |
| Prefix + Root |
Hypoglycemia |
Low blood sugar |
| Root + Prefix + Suffix |
Hyper‑tens‑ion |
Elevated blood pressure |
| Combining forms (root + vowel connector) |
Gastro‑enterology |
Study of stomach and intestines |
| Eponyms (named after a person) |
Parkinson’s disease |
Neurodegenerative disorder described by James Parkinson |
| Descriptive terms |
Idiopathic |
Of unknown cause |
3. Common Prefixes & Suffixes
| Prefix |
Meaning |
Example |
| a‑ / an‑ |
Without, lack of |
Aphasia – loss of language |
| anti‑ |
Against |
Antibiotic – agent against bacteria |
| brady‑ |
Slow |
Bradycardia – slow heart rate |
| dys‑ |
Difficult, abnormal |
Dyspnea – difficult breathing |
| hyper‑ |
Excessive |
Hypertension – high blood pressure |
| hypo‑ |
Below normal |
Hypothermia – low body temperature |
| mega‑ |
Large |
Megacolon – enlarged colon |
| poly‑ |
Many |
Polyuria – excessive urination |
| Suffix |
Meaning |
Example |
| ‑algia |
Pain |
Neuralgia – nerve pain |
| ‑ectomy |
Surgical removal |
Appendectomy – removal of appendix |
| ‑emia |
Blood condition |
Anemia – deficiency of red cells |
| ‑itis |
Inflammation |
Appendicitis – appendix inflammation |
| ‑ology |
Study of |
Hematology – study of blood |
| ‑oma |
Tumor, mass |
Carcinoma – malignant tumor |
| ‑pathy |
Disease |
Neuropathy – nerve disease |
| ‑phobia |
Fear |
Hemophobia – fear of blood |
4. System‑Based Terminology
| System |
Key Roots & Terms |
| Cardiovascular |
Cardio‑ (heart), ‑vascular (vess |