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).
BSL-4
Biosafety level 4. The highest level of biosafety. This level is used for the diagnosis of exotic agents such as the Ebola virus that pose a high risk of life-threatening disease, which may be transmitted by the aerosol route and for which…
Read the definitionRandom terms
Show more- Aneurysm, racemose An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an…
- Glaucoma, symptoms of At first, there are no symptoms. Vision stays normal, and there is no pain. However, as the disease progress…
- PML Stands for progressive multifocal leukoencephalopathy, a rapidly progressive, often fatal viral infection of…
- Psoriasis, pustular A type of recurring psoriasis characterized by the appearance of pus-filed pimples and sores in clusters. It…
- Voice disorder One of a group of problems involving abnormal pitch, loudness, or quality of the sounds produced by the…
- Iatric Relating to medicine or a physician. Iatric systems are medical systems. From the Greek iatrikos (medical)…
- Breakbone fever An acute mosquito-borne viral illness of sudden onset that usually follows a benign course with headache…
- Vertebral artery A key artery located in the back of the neck that carries blood from the heart to the brain
- Erythroprosopalgia A distinctive syndrome of headaches, also known as cluster headache or migrainous neuralgia. The common…
- HMS1 Homosexuality 1. An alleged gene for human male homosexuality. See: Gay gene
- Ship fever An old name for epidemic typhus, which was common in the crowded conditions aboard ship. Ship Fever and Other…
- Hexosaminidase A An enzyme which, when deficient, causes Tay-Sachs disease, a progressive fatal neurologic disorder…