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).
Vitamin D
A steroid vitamin which promotes the intestinal absorption and metabolism of calcium and phosphorus. Under normal conditions of sunlight exposure, no dietary supplementation is necessary because sunlight promotes adequate vitamin D…
Read the definitionRandom terms
Show more- Buccal mucosa The inner lining of the cheeks and lips.
- Rebound Return of the original symptoms when maneuvers or treatment is discontinued
- Mumps Mumps: An acute (sudden, shortlived) viral illness that usually presents with inflammation of the salivary…
- Environmental toxicology The toxicity and toxicology of environmental pollutants in air, dust, sediment, soil and water, and natural…
- RVF 1. Rift Valley fever, the disease and the virus that causes it.2. Right ventricular failure, failure of the…
- Hippocampus An area buried deep in the forebrain that helps regulate emotion and memory. Functionally, the hippocampus is…
- Thromboxane A2 The active type of thromboxane. Abbreviated TXA2
- Ankle bone The ankle bone is termed the talus. It is the bone of the foot that joins the tibia and fibula to form the…
- Agent, antibiotic A drug used to treat bacterial infections. The original definition of an antibiotic was a substance produced…
- Unit, international (IU) An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used…
- Eye bleed Medically called a subconjunctival hemorrhage. A very common cause of a painless bloody eye usually first…
- Cornelia de Lange syndrome See: de Lange syndrome