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).
Rheumatoid factor
Rheumatoid factor: Rheumatoid factor is an antibody that is measurable in the blood. It is commonly used as a blood test for the diagnosis of rheumatoid arthritis. Rheumatoid factor is present in about 80% of adults (but a much lower…
Read the definitionRandom terms
Show more- Hypertrophic Exhibiting hypertrophy (enlargement or overgrowth of an organ or part of the body due to increased size of…
- Midget A very small person (or thing). Midget is a picturesque but somewhat disparaging term. It is the diminutive…
- American Diabetes Association (ADA) The American Diabetes Association (ADA) provides the following introduction: 'The American Diabetes…
- Diaphragmatic pacing See: Diaphragm pacing
- Chromosome inversion, paracentric The chart of the linear array of genes on a chromosome. A chromosome map can also refer to the visual…
- Hamstring The prominent tendons at the back of the knee. They are the sidewalls of the hollow behind the knee. (This…
- Magnesium excess Persons with impaired kidney function should be especially careful about their magnesium intake because they…
- Triple C's Street name for dextromethorphan (DXM)
- Single nucleotide polymorphism A change in which a single base in the DNA differs from the usual base at that position. Abbreviated SNP and…
- Cancer, Hodgkin disease (adult) Hodgkin disease (adult): A type of lymphoma (cancer of the lymphatic system). The most common symptom of…
- DNA, junk See: Junk DNA
- Bicornuate Having two horns or horn-shaped branches. The uterus (normally unicornuate) can sometimes be bicornuate (with…