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).
Down-regulation
See: Downregulation
Read the definitionRandom terms
Show more- Syndrome, Usher A genetic disorder characterized by hearing impairment and an eye disorder called retinitis pigmentosa in…
- Loeys-Dietz syndrome Loeys-Dietz syndrome: Loeys-Dietz syndrome is an inherited syndrome characterized by aortic aneurysms…
- Organisation Mondiale de la Sante The French name for the World Health Organization (WHO). See: World Health Organization
- Strain, lumbar See: Lumbar strain.
- Calculi, renal Kidney stones, by another name. A common cause of blood in the urine and pain in the abdomen, flank, or…
- Shunt, Glenn See: Glenn shunt
- Carcinoma, pancreatic See: Pancreatic cancer
- Failure to thrive (FTT) Refers to a child whose physical growth is significantly less than that of peers. There is no official…
- Mediterranean anemia Better known today as thalassemia (or as beta thalassemia or thalassemia major). The clinical picture of this…
- Sacrum The large heavy bone at the base of the spine, which is made up of fused sacral vertebrae. The sacrum is…
- Saccular From the Latin 'sacculus' meaning a small pouch. As for example the alveolar saccules (little air pouches)…
- Intractable Unstoppable. For example, intractable diarrhea or intractable pain.