MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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.
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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).
Lethal gene, zygotic
A gene that is lethal (fatal) for the zygote, the cell formed by the union of a sperm (male sex cell) and an ovum (female sex cell). The zygote would normally develop into an embryo, as instructed by the genetic material within the unified…
Read the definitionRandom terms
Show more- GFP Green fluorescent protein
- Esophagitis Esophagitis: Inflammation of the esophagus. The esophagus is that soft tube-like portion of the digestive…
- MSBP Munchhausen syndrome by proxy
- Oculoplastics Eye plastic and reconstructive surgery., a specialized area of ophthalmology that focuses on the eyelids and…
- Botulinum toxin A toxin produced by the bacterium Clostridium botulinum that is the most poisonous biological substance…
- Electroencephalogram A study of electrical current within the brain. Electrodes are attached to the scalp. Wires attach these…
- Hepatic transplant See: Liver transplant
- Ergophobia An abnormal and persistent fear of work. Sufferers of ergophobia experience undue anxiety about the workplace…
- Allergic purpura See: Schonlein-Henoch purpura
- Percutaneous transhepatic cholangiography PTCA. The use of a balloon-tipped catheter to enlarge a narrowed artery.
- MEDLINE MEDLINE® is the best known database of the U.S. National Library of Medicine (NLM). MEDLINE enables anyone to…
- Osteotomy, block Surgical removal a section of bone