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).
Acid deposition
A complex chemical and atmospheric phenomenon that occurs when emissions of sulfur and nitrogen compounds and other substances are transformed by chemical processes in the atmosphere and then deposited on earth in either wet or dry form…
Read the definitionRandom terms
Show more- Nodule A small solid collection of tissue, a nodule is palpable (can be felt). It may range in size from greater…
- Elbow bursitis Elbow bursitis: At the tip of the elbow (the olecranon area), there is a bursa, a fluid-filled sac that…
- Allergy scratch test Allergy scratch test: Test done on the skin to identify the allergy substance (the allergen) that is the…
- Colostomy, a patient's perspective For an excellent article about colostomy from a patient's viewpoint, please see Colostomy - A Patient's…
- Poikiloderma atrophicans with cataract Better known as the Rothmund-Thomson syndrome, this is an hereditary disease characterized by progressive…
- Dyad The word 'dyad' comes from the Greek 'dyas' meaning the number two. In psychology, a dyad refers to a pair of…
- Caps Abbreviation for capsules. One of a number of hallowed abbreviations of terms that have traditionally been…
- Facio-auriculo-vertebral spectrum See: Goldenhar syndrome
- Keratoplasty Corneal transplant.
- Antivenin Antibodies created in the blood of a horse or sheep when the animal is injected with snake venom. Antivenin…
- Spinal cord The major column of nerve tissue that is connected to the brain and lies within the vertebral canal and from…
- Transthyretin A plasma protein consisting of 127 amino acids that binds retinol and thyroxine. The gene TTR that encodes…