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).
Reaction kinetics
Kinetics (with an 's' at the end) refers to the rate of change in a biochemical (or other) reaction, the study of reaction rates. Kinetics is a noun. It is distinct from 'kinetic' (an adjective) meaning with movement. The opposite of…
Read the definitionRandom terms
Show more- Progressive cardiomyopathic lentiginosis See: LEOPARD syndrome
- Annexin A1 One of the annexins, a family of proteins that share the property of binding calcium and phospholipids. The…
- Antiestrogen A substance that can prevent the full expression of estrogen. Antiestrogens act by exerting antagonistic…
- Syndrome, fish-odor An inborn error of metabolism associated with an offensive body odor, the smell of rotting fish, due to the…
- Heimlich maneuver An emergency treatment for obstruction of the airway in adults. It may be needed when someone chokes on a…
- Primary liver cancer, adult A tumor in which the cancer starts during adulthood in cells in the liver. Also called hepatocellular…
- Pentapeptide A peptide consisting of five amino acids
- Hypermagnesemia Excess magnesium. Persons with impaired kidney function should be especially careful about their magnesium…
- Fibrillation, ventricular An abnormal irregular heart rhythm whereby there are very rapid uncoordinated fluttering contractions of the…
- Ultraviolet A One of the three types of invisible light rays (together with ultraviolet B and ultraviolet C) given off by…
- Hidradenitis suppurativa This is an illness characterized by multiple abscesses that form under the arm pits and in the groin area
- PXE See pseudoxanthoma elasticum