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).
Restriction site
A sequence in DNA that can be recognized and cut by a specific restriction enzyme.
Read the definitionRandom terms
Show more- Dissection, neck Surgery in which the neck is opened -- to 'dissect' means to 'cut apart' -- in order to identify, examine…
- MEDLARS MEDLARS® is an acronym that stands for Medical Literature Analysis and Retrieval System. It is a…
- Dia- Prefix taken straight from the Greek meaning 'through, throughout, completely' as in diachronic, diagnosis…
- Heteromorphism Something different in form. Chromosome heteromorphisms are normal variations in the appearance of chromosomes
- Meningitis, aseptic Inflammation of the meninges that is not caused by bacterial infection. Viral meningitis is the most common…
- MCTD Abbreviation standing for Mixed Connective Tissue Disease, an overlapping mixture of three diseases of…
- Fingers, six The presence of an extra finger, a very common congenital malformation (birth defect). This condition is…
- Transurethral resection Surgery performed with a special instrument inserted through the urethra. Also called TUR
- Burn treatment The treatment of burns depends on the depth, area and location of the burn. Burn depth is generally…
- Fragile site A term devised in 1969 by Frederick Hecht to denote a heritable point on a chromosome where gaps and breaks…
- Vasculitis, allergic Vasculitis, allergic: A disease (also more commonly called the Churg-Straus syndrome) characterized by…
- Hepatitis, viral Liver inflammation caused by viruses. Specific hepatitis viruses have been labeled A, B, C, D, E, F, and G…