MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Inflammation
A basic way in which the body reacts to infection, irritation or other injury, the key feature being redness, warmth, swelling and pain. Inflammation is now recognized as a type of nonspecific immune response. More information: In…
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Show more- Alopecia capitis totalis Loss of all of the scalp hair. Alopecia means baldness and capitis refers to the head. Alopecia capitis…
- Kveim test A skin test for detecting sarcoidosis, a disease of unknown origin that causes inflammation of body tissues…
- Alanine aminotransferase (ALT) An enzyme that is normally present in liver and heart cells. ALT is released into blood when the liver or…
- Tattoo >non-reactive pigments; >sterile, disposable needles; and >sterile work conditions. Without these…
- Thoracic vertebrae The 12 thoracic vertebrae are situated between the cervical (neck) vertebrae and the lumbar vertebrae. The…
- River blindness Onchocerciasis, a disease caused by a parasitic worm (Onchocerca volvulus) which is transmitted to persons by…
- RAST An allergy test done on a sample of blood. The aim with RAST, as with skin tests, is to check for allergic…
- Greek medicine Medicine in Greece and the Greek world. The foundations of much of modern Western medicine lie in classical…
- Sleep, NREM Sleep, NREM: NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- Sickness, morning Nausea and vomiting of pregnancy. Morning sickness is a misnomer, because it can occur at any time of the day…
- Mule In the drug trade, a person who transports a drug by internally concealing it. Also called a body packer…
- DiGeorge syndrome A genetic disorder characterized by hypocalcemia, immunodeficiency, and congenital heart disease: >…