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).
Opiate agonist maintenance
See: Methadone treatment program
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Show more- Encephalitis, viral Inflammation of the brain as a result of virus infection. There are many viruses that cause viral…
- Anemia, addisonian Anemia, addisonian: A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not…
- Pleural space The tiny area between the two layers of the pleura (the thin covering that protects and cushions the lungs)…
- Merkel cell carcinoma Carcinoma: An infrequent but highly malignant type of skin cancer. Characteristically starts in a sun-exposed…
- Morton's toe See: Morton's syndrome
- Macroglossia Enlarged tongue. Macroglossia is sometimes said to be associated with Down syndrome, but in that disorder the…
- Th3 A distinct type of T-helper cell. See: T-helper cell
- Let down reflex An involuntary reflex during breastfeeding which causes the milk to flow freely
- TSC1 The tuberous sclerosis 1 gene. The product of the TSC1 gene is a protein called hamartin. This protein…
- Gene, regulatory A gene that regulates the expression of other genes. A regulatory gene is a nosy gene whose prime…
- In situ, carcinoma Cancer that involves only the place in which it began and has not spread. Carcinoma in situ is an early-stage…
- FBLN3 The gene encoding the protein known as fibulin 3. See: Fibulin 3