MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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- Bacteriophage See: Phage
- Prescription A physician's order for the preparation and administration of a drug or device for a patient. A prescription…
- Fever, hemorrhagic A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and…
- Vulva cancer See: Cancer of the vulva
- G6PD deficiency G6PD deficiency: Deficiency of the enzyme glucose-6-phosphate dehydrogenase (G6PD), the most common enzyme…
- Basilar Located at or near the base of a structure, especially the base of the skull. For example, a basilar fracture…
- Epilepsy, Jacksonian Epilepsy, Jacksonian:A brief alteration in movement, sensation or nerve function caused by abnormal…
- Levo- Abbreviated LAAM. An alternative to methadone. See: LAAM.
- Cassette A pre-existing structure into which an insert can be moved. In molecular biology, a gene conversion process…
- Eyes, spots in front of the Also known as 'floaters', blurry spots that drift in front of the eyes but do not block vision. The blur is…
- Malleolus Bony prominence on either side of the ankle.
- Gastroparesis Gastroparesis: Gastroparesis is a medical condition in which the muscle of the stomach is paralyzed by a…