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).
Dicysteine
Cystine
Read the definitionRandom terms
Show more- Barium swallow An upper gastrointestinal series (barium swallow) is an X-ray test used to define the anatomy of the upper…
- Fear of age An abnormal and persistent fear of growing old is termed gerascophobia. Sufferers of gerascophobia feel undue…
- Tattoo >non-reactive pigments; >sterile, disposable needles; and >sterile work conditions. Without these…
- Thymosin One of several polypeptide hormones secreted by the thymus that control the maturation of T cells. They are…
- Pregnancy-associated plasma protein A Abbreviated as PAPPA or PAPP-A. A large zinc-binding protein that acts as an enzyme, specifically a…
- Tuberous sclerosis A genetic disorder characterized by abnormalities of the skin, brain, kidney, and heart. The skin…
- Acute pancreatitis Sudden inflammation of the pancreas. The pancreas abruptly becomes inflamed and then gets better. Some people…
- Bradykinetic Pertaining to slowed ability to start and continue movements, and impaired ability to adjust the body's…
- Antiestrogen A substance that can prevent the full expression of estrogen. Antiestrogens act by exerting antagonistic…
- MEDLARS MEDLARS® is an acronym that stands for Medical Literature Analysis and Retrieval System. It is a…
- Ductus A duct or walled passageway suitable for the conveyance of air or, more often in the body, liquids. The term…
- National board exams The National board exams in medicine refer to the United States Medical Licensing Examination (USMLE). This…