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).
Bronchitis
Bronchitis: Inflammation and swelling of the bronchi. Bronchitis can be acute or chronic. Chronic bronchitis usually is defined clinically as a daily cough with production of sputum for 3 months, two years in a row. In chronic bronchitis…
Read the definitionRandom terms
Show more- IAVI International AIDS Vaccine Initiative. A remarkable example of a global not-for-profit organization working…
- Primary First or foremost in time or development. The primary teeth (the baby teeth) are those that come first…
- Turban tumor syndrome See: Familial cylindromatosis
- Fat cell A cell containing fat. Also called an adipocyte. A fat cell, or adipocyte, is a connective tissue cell that…
- Research, clinical A study of a treatment, procedure, or medication done in a medical setting. See also clinical research trials.
- Chargaff rule The rule that in DNA there is always equality in quantity between the bases A and T and between the bases G…
- Evolutionarily conserved gene A gene that has remained essentially unchanged throughout evolution. Conservation of a gene indicates that it…
- Navel The umbilicus, the former site of attachment of the umbilical cord, usually found in about the middle of the…
- Syndrome, antiphospholipid antibody An immune disorder characterized by the presence of abnormal antibodies in the blood associated with abnormal…
- Sesamoid bone A little bone embedded in a joint capsule or tendon. The kneecap (patella) is a sesamoid bone
- STARI See: Hypnic jerk.
- Cell, T See T cell