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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Iodide goiter
See Iodine excess
Read the definitionRandom terms
Show more- Circulatory system The system that moves blood throughout the body. The circulatory system is composed of the heart, arteries…
- Pia mater One of the meninges, the pia mater is the delicate innermost membrane enveloping the brain and spinal cord…
- Myeloid Referring to the nonlymphocytic groups of white blood cells, including the granulocytes, monocytes and…
- Yellow jacket sting A sting from a yellow jacket (or other large stinging insects such as bees, hornets and wasps) can trigger…
- Blood cleaner A process designed to eliminate most pathogens -- viruses, bacteria and fungi -- from donated blood. The…
- Emergency birth control See: Emergency contraception
- G G stands for guanine, one member of the base pair G-C (guanine-cytosine) in the DNA. The other base pair in…
- Gene duplication An extra copy of a gene. Gene duplication is a key mechanism in evolution. Once a gene is duplicated, the…
- Nephrotomogram A series of special x-rays of the kidneys. The x-rays are taken from different angles. They show the kidneys…
- Ribonucleoprotein (RNP) A combination of ribonucleic acid (RNA) and protein. In autoimmune diseases, antibodies can form against…
- Coronary arteries The vessels that supply the heart muscle with blood rich in oxygen. They are called the coronary arteries…
- Tularemia A bacterial disease caused by infection with a bacterium called Francisella tularensis that usually occurs in…