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).
Oxygen mask
A mask that covers the mouth and nose, and is hooked up to an oxygen tank. It delivers oxygen directly to the patient. Oxygen can also be delivered directly through a nasal catheter, a tube that divides into two smaller tubes that go into…
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Show more- Nymph A nymph is a stage in the life cycle of certain arthropods, as ticks and lice. (Not all nymphs are in Greek…
- Osteogenesis imperfecta tarda See: Osteogenesis imperfecta type I.
- Aspartate aminotransferase (AST) Also known as serum glutamic oxaloacetic transaminase (SGOT), AST is an enzyme that is normally present in…
- Non-inferior clinical trial A clinical trial that shows that a new treatment is equivalent to standard treatment. Also called a…
- Transposition, genetics The ability of genes to change position on chromosomes, a process in which a transposable element is removed…
- Ferroniere A jewel held to the forehead by a chain worn by women in France and Italy in the 16th century to hide the…
- Cohort In a clinical study, a well-defined group of subjects or patients who have had a common experience or…
- Esophageal ulcer A hole in the lining of the esophagus corroded by the acidic digestive juices secreted by the stomach cells…
- Wing bone See: SAD.
- Acetyl phosphate A molecular ion which plays a role in the synthesis of the four-carbon fatty acid, butyric acid. The formula…
- Physiatrist Next to child neglect, physical abuse is the second most frequently reported form of child abuse, accounting…
- Complementary DNA 1. Anemia at birth. 2. Synonym for Rh incompatibility.