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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Bone scan
A technique to create images of bones on a computer screen or on film. A small amount of radioactive material is injected and travels through the bloodstream. It collects in the bones, especially in abnormal areas of the bones, and is…
Read the definitionRandom terms
Show more- Human genome All of the DNA that a person possesses. The human genome is made up of all of the DNA in our chromosomes as…
- CBC A commonly used abbreviation in medicine that stands for complete blood count, a set values of the cellular…
- Calcium excess Overly high intake of calcium that can result in elevated levels of calcium in the blood (hypercalcemia)…
- Forensic Dealing with the application of scientific knowledge to legal problems and legal proceedings as, for example…
- Rupture of appendix A break or tear in the appendix, usually due to appendicitis. Also called perforation of the appendix…
- Aseptic The absence of microorganisms. By contrast, something that just discourages the growth of microorganisms is…
- Typhus, tick Also known as Rocky Mountain spotted fever, an acute febrile (feverish) disease initially recognized in the…
- C-IBS Constipation-predominant IBS (irritable bowel syndrome)
- Sulcus A groove, crevice, or furrow. In medicine, there are many sulci (plural of sulcus) as, for example, the…
- Intelligence, non-verbal Innate or learned ability to understand and carry out motor tasks, such as solving physical puzzles. Also…
- Paraskevidekatriaphobia Fear of Friday the 13th. The word 'paraskevidekatriaphobia' was devised by Dr. Donald Dossey who told his…
- Allergy Allergy: A misguided reaction to foreign substances by the immune system, the body system of defense against…