MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Defensive medicine
Medical practices designed to avert the future possibility of malpractice suits. In defensive medicine, responses are undertaken primarily to avoid liability rather than to benefit the patient. Doctors may order tests, procedures, or…
Read the definitionRandom terms
Show more- Debulk To remove part of the bulk, usually of a tumor or dead tissue. Debulking may be done by surgery, irradiation…
- Heterosexual A person sexually attracted to persons of the opposite sex. Or a person who has sexual relations with the…
- Colitis, mucus A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility)…
- Tuberous sclerosis A genetic disorder characterized by abnormalities of the skin, brain, kidney, and heart. The skin…
- Arsine A colorless highly toxic gas. Arsine has a garlic-like or fishy odor. Because arsine is nonirritating and…
- Vaccine, influenza The influenza (flu) vaccine is recommended for persons at high risk for serious complications from influenza…
- Gamma linolenic acid See: Gamma-linolenic acid
- Warburg's yellow enzyme A key respiratory enzyme discovered by the German biochemist Otto Heinrich Warburg (1883-1970), a pioneer in…
- Immunodepression See immunosuppression
- NREM sleep Sleep: NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- Rhogam Rh0 immunoglobulin, also called anti-Rh or anti-D immunoglobulin. An injectable blood product used to protect…
- Allergy scratch test Allergy scratch test: Test done on the skin to identify the allergy substance (the allergen) that is the…