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).
Varicella rash
Rash: Varicella (chickenpox) is characterized by a rash, often the first sign of the disease. The rash of chickenpox develops in crops with raised red spots arriving first, progressing to blisters that burst, creating open sores, before…
Read the definitionRandom terms
Show more- Restless legs See: Restless leg syndrome
- Cancer of the pancreas See: Pancreatic cancer
- Yellow jacket sting A sting from a yellow jacket (or other large stinging insects such as bees, hornets and wasps) can trigger…
- Blood pressure, high Also known as hypertension, high blood pressure is, by definition, a repeatedly elevated blood pressure…
- Gastroenterology The medical specialty devoted to the study, diagnosis and treatment of disorders of the digestive system…
- Sleep, paroxysmal Sleep, paroxysmal: A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep…
- Neuromuscular Pertaining to both nerves and muscles, as in neuromuscular blockade by an anesthetic agent, the neuromuscular…
- Fetal circulation The blood circulation in the fetus before birth. Before birth, the blood from the heart headed for the lungs…
- Bruton agammaglobulinemia tyrosine kinase A genetic type of immunodeficiency characterized by failure to produce mature B lymphocytes and gamma…
- Liver transplantation, living donor See: Living donor liver transplantation
- Advanced maternal age Usually defined as age 35 or more for the mother at the time of delivery of her baby. Advanced maternal age…
- Klumpke paralysis See: Klumpke palsy