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-2
Biosafety level 2. A level of biosafety considered appropriate for agents that can cause human disease, but whose potential for transmission is limited
Read the definitionRandom terms
Show more- Blood sugar, low The sugar here is glucose. Low blood glucose constitutes hypoglycemia. Hypoglycemia is only significant when…
- Myocarditis Myocarditis: Inflammation of the myocardium, the heart muscle. Myocarditis can be caused by a number of…
- First and second branchial arch syndrome The olfactory nerve, the nerve that permits the sense of smell. See: Olfactory nerve.
- Gastroenteritis Gastroenteritis: Inflammation of the stomach and the intestines. Can cause nausea and vomiting and/or…
- Melanoma, conjunctival An uncommon eye cancer that arises in the conjunctiva, the clear membrane that covers the outer surface of…
- Corpora cavernosa Two chambers in the penis which run the length of the organ and are filled with spongy tissue. Blood flows in…
- Mixed mania A state of mind characterized by symptoms of both mania and depression seen sometimes in bipolar disorders…
- Thrombocythemia An abnormally high number of platelets in the blood. Also known as thrombocytosis.
- Illness, heat-related A person with symptoms including headache, nausea, and fatigue after exposure to heat probably has some…
- Meningitis, aseptic Inflammation of the meninges that is not caused by bacterial infection. Viral meningitis is the most common…
- Lateral collateral ligament (LCL) of the knee The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Pressure, intraocular The pressure created by the continual renewal of fluids within the eye. The intraocular pressure is increased…