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).
RF
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…
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Show more- Tsutsugamushi disease A mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi, characteristically with…
- Atlas and axis joint The joint between the atlas and axis bones. The atlas is the first cervical (neck) vertebra which is just…
- Dengue hemorrhagic fever (DHF) Fever (DHF): A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal…
- Stress echocardiography Stress echocardiography: A supplement to the routine exercise cardiac stress test. During stress…
- Disease, Addison Long-term underfunction of the outer portion of the adrenal gland. In medical terms, chronic insufficiency of…
- Non-inferior clinical trial A clinical trial that shows that a new treatment is equivalent to standard treatment. Also called a…
- Dumping syndrome A group of symptoms that occur when food or liquid enters the small intestine too rapidly. These symptoms…
- Testicular self-examination A monthly procedure for detecting the early signs of testicular cancer. Men should check the testes visually…
- Lindau-von Hippel syndrome See Von Hippel-Lindau syndrome
- Hemoptysis Spitting up blood or blood-tinged sputum. Pronounced he-MOP-tis-is. The word 'hemoptysis' comes from the…
- Aristolochic acid A chemical found in nature in the plant Aristolochia fangchi. Aristolochic acid is contained in a number of…
- Kashin-Beck disease A disorder of the bones and joints of the hands and fingers, elbows, knees, and ankles of children and…