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).
Chromosome, dicentric
A chromosome in the stage of the cell cycle (the sequence of events in the life of a cell) when a chromosome is most condensed and easiest to distinguish and so to study. Metaphase chromosomes are often chosen for karyotyping and for…
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Show more- Loiasis The disease caused by the eye worm known as loa loa, a parasite that lives in humans and other primates…
- Pneumocyte One of the cells lining the alveoli (the air sacs) in the lung. The alveoli are, in fact, lined with two…
- Dilate To stretch or enlarge. It comes from the Latin verb 'dilatare' meaning 'to enlarge or expand.
- Receptor, T-cell A molecule on the surface of T-lymphocytes (T-cells) for recognizing specific antigens (foreign substances or…
- Social anxiety disorder Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Osteo- (prefix) Combining form meaning bone. From the Greek 'osteon', bone. Appears for instance in osteoarthritis…
- Iron excess Iron overload can damage the heart, liver, gonads and other organs. Iron overload is a particular risk for: >…
- Aortic insufficiency Incomplete closure of the aortic valve resulting in aortic regurgitation, the return of blood from the aorta…
- Angiotensin converting enzyme Usually abbreviated ACE
- Vomer A triangular bone in the nasal septum. The bone was so named because it was thought to look like a…
- Flaviviridae A family of viruses transmitted by mosquitos and ticks that cause some important diseases, including dengue…
- Hornet sting Stings from hornets and other large stinging insects such as bees, yellow jackets and wasps can trigger…