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).
Fingers, six
The presence of an extra finger, a very common congenital malformation (birth defect). This condition is called hexadactyly. The word hexadactyly literally means six digits. In medical usage, hexadactyly does not specify whether the six…
Read the definitionRandom terms
Show more- Elbow, golfer's The inner portion of the elbow is a bony prominence called the medial epicondyle. Tendons from the muscles…
- ADU Accessory dwelling unit
- Adapter protein A protein acts as a connecting molecule. An adapter protein is critical to intermolecular interactions and…
- Quadrant A quarter. For example, the liver is in the right upper quadrant of the abdomen.
- Vitamin O Not a true vitamin but rather a pricey health supplement that is composed largely of salt water (plus some…
- Nanny cam A camcorder (a video camera and video recorder in one unit) that displays a live feed so that parents can…
- Test, exercise treadmill A test (sometimes simply called a treadmill test or exercise test) in which a continuous electrocardiogram…
- Mustard (Arabidopsis thaliana) genome All of the genetic information contained in Arabidopsis thaliana, a plant belonging to the mustard family…
- Dwarfism, thanatophoric A form of short-limbed (micromelic) dwarfism that usually causes death within the first few hours after…
- Disease surveillance The ongoing systematic collection and analysis of data and the provision of information which leads to action…
- MND Motor neuron disease
- Regional lymphadenitis Cat scratch disease, a mild flu-like infection, with swollen lymph nodes (lymphadenitis) and mild fever of…