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).
Acute myeloid leukemia
Acute myeloid leukemia: A quickly progressive malignant disease in which there are too many immature blood-forming cells in the blood and bone marrow, the cells being specifically those destined to give rise to the granulocytes or…
Read the definitionRandom terms
Show more- Cardiac insufficiency See: Heart failure
- Lactation The process of milk production. Human milk is secreted by the mammary glands, which are located within the…
- Prostate cancer Prostate cancer: An uncontrolled (malignant) growth of cells in the prostate gland which is located at the…
- Human immunodeficiency virus Human immunodeficiency virus: HIV, the cause of AIDS. HIV has also been called the human lymphotropic virus…
- Onset In medicine, the first appearance of the signs or symptoms of an illness as, for example, the onset of…
- Over-the-counter (OTC) drug A drug for which a prescription is not needed
- PVNS Pigmented villonodular synovitis
- Polio Abbreviation for poliomyelitis, an acute and sometimes devastating disease caused by a virus. Man is the only…
- Oesophagus Alternate spelling for esophagus. The British have an oesophagus while Americans have an esophagus. But on…
- Prophase chromosome A chromosome at the prophase stage in the cell cycle, before metaphase (when a chromosome is most highly…
- West syndrome Infantile spasms, a seizure disorder of infancy and early childhood with the onset predominantly in the first…
- Cancer, lymphoma, non-Hodgkin A lymphoma is a cancer that develops in the lymphatic system. The most common symptom of non-Hodgkin…