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).
Giardia
A genus of protozoa that infect the gastrointestinal tract of some animals, including humans. Giardia have a large sucking disk which permits them to adhere to the intestinal lining. The species that infects humans (and causes diarrhea) is…
Read the definitionRandom terms
Show more- Lenz microphthalmia syndrome A genetic disorder characterized by microphthalmia (small eye) or anopthalmia (no eye) associated with…
- Cranial nerve I The first nerve to emerge from or enter the skull (the cranium). (There are twelve cranial nerves.) The first…
- Sensorium The totality of those parts of the brain that receive, process and interpret sensory stimuli. The sensorium…
- Zooparasite A living parasite, such as a worm or protozoa
- Axelrod, Julius (1912- ) American pharmacologist and neuroscientist who shared the 1970 Nobel Prize in Physiology or Medicine…
- Epilepsy, temporal-lobe Epilepsy that is characterized by abnormal electrical activity in the temporal lobe of the brain. This…
- Excess iron Iron overload can damage the heart, liver, gonads and other organs. Iron overload is a particular risk for: >…
- Ribosome An RNA molecule that can catalyze its own chemical reactions.
- Binucleate Having two nuclei. Binucleate cells are due to a defect in cytokinesis, the process by which two daughter…
- Non-small cell lung cancer Lung cancer: Cancer of the lung which is not of the small cell carcinoma (oat cell carcinoma) type. The term…
- Empyema The presence of pus in the pleural space which is between the outer surface of the lung and the chest wall…
- Disease, Hodgkin (Hodgkin lymphoma) A disease of the lymph nodes named after the English physician Thomas Hodgkin (1798-1866) who discovered it…