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).
Contact eczema, allergic
Also called allergic contact dermatitis, this is a red, itchy, weepy reaction where the skin has come into contact with a substance that the immune system recognizes as foreign, such as poison ivy or certain preservatives in creams and…
Read the definitionRandom terms
Show more- Hendra virus A virus, formerly called equine morbillivirus, that can cause illness in horses and humans. First identified…
- Gm (gram) The abbreviation gm stands for gram, a unit of measurement of weight and mass in the metric system. In…
- Epitope A single antigenic site on a protein against which an antibody reacts
- Exanthem A rash. The word 'exanthem' comes from the Greek 'exanthema' which means 'a breaking out.' 'Anthos' in Greek…
- Desmoplastic reaction This term refers to the growth of fibrous or connective tissue. Some tumors elicit a desmoplastic reaction…
- Fear of blushing An abnormal and persistent fear of blushing. Sufferers of this fear experience undue anxiety even though they…
- SCID Severe combined immunodeficiency disease
- Ear, low-set A minor anomaly involving an ear situated down below its normal location. Technically, the ear is low-set…
- Synapsis The side-by-side and point-by-point pairing of homologous chromosomes during meiosis
- Tumor marker Tumor markers are substances that can be detected in higher-than-normal amounts in the blood, urine, or body…
- Rib, false One of the last 5 pairs of ribs. A rib is said to be 'false' if it does not attach to the sternum (the breast…
- QALY Quality adjusted life year, a year of life adjusted for its quality or its value. A year in perfect health is…