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).
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- Yawn Involuntary opening of the mouth, often caused by suggestion. Yawning is characterized by breathing first…
- Middle ear There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The middle…
- Platelet count The calculated number of platelets in a volume of blood, usually expressed as platelets per cubic millimeter…
- AGXT A gene that provides instructions for making a liver enzyme called alanine-glyoxylate aminotransferase…
- Hansen's bacillus See: Hansen bacillus
- Neurosyphilis Neurological complications in the third (tertiary) and final phase of syphilis, which involve the central…
- Colon cancer, family history of The presence of a history of colorectal cancer in a family. The colon cancer risk is higher if an immediate…
- Drug, antiprotozoal Something that destroys protozoa or inhibits their growth and ability to reproduce. A few of the protozoa of…
- Metastasize The spread from one part of the body to another. When cancer cells metastasize and cause secondary tumors…
- Cry for help An expression of suicidal intent in the hope of receiving help and being rescued. A cry for help may take…
- Corpus amygdaloideum See: Amygdaloid nucleus
- Draft DNA sequence Sequence of a DNA with less accuracy than a finished sequence. In a draft sequence, some segments are missing…