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).
VDRL test
A blood test for syphilis (VDRL stands for Venereal Disease Research Laboratory) that detects an antibody that is present in the bloodstream when a patient has syphilis. A negative (nonreactive) VDRL is compatible with a person not having…
Read the definitionRandom terms
Show more- Roentgen ray Term coined around 1890 that preceded X-ray and is now synonymous with it. Named for Wilhelm Roentgen, a…
- Weil syndrome A severe form of leptospirosis with liver disease. See: Leptospirosis
- Excess iron Iron overload can damage the heart, liver, gonads and other organs. Iron overload is a particular risk for: >…
- Melanoma, eye See: Intraocular melanoma
- Osler's nodes These are small (the size of split peas), tender, transient nodules in the pads of fingers and toes and the…
- Amyotrophic lateral sclerosis 5 ALS5. A form of amyotrophic lateral sclerosis (ALS) inherited in an autosomal recessive manner due to…
- Peripheral blood stem cell transplantation Peripheral blood stem cell transplantation: A new technique in which stem cells are obtained from a patient's…
- Cell, delta (pancreatic) A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the…
- Ventricular septal defect (VSD) Ventricular septal defect (VSD): A hole in the septum (the wall) between the lower chambers of the heart (the…
- Single transverse palmar line Simian crease
- Syndrome, Johnson-Stevens See: Stevens-Johnson syndrome.
- Oto- An otoacoustic emission test (OAE) measures an acoustic response that is produced by the inner ear (cochlea)…