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).
Discoid lupus
A chronic inflammatory condition limited to the skin, caused by an autoimmune disease. An autoimmune disease occurs when the body's tissues are attacked by its own immune system. Patients with lupus have unusual antibodies in their blood…
Read the definitionRandom terms
Show more- Biology, molecular See: Molecular biology
- Therapy, external beam radiation Radiation focused from a source outside the body on the affected area (for example, the cancer) within the…
- Center for Devices & Radiological Health Abbreviated CDRH. Part of the FDA (the US Food & Drug Administration)
- Diethylstilbestrol The earliest synthetic (man-made) form of the hormone estrogen. Diethylstilbestrol (DES) was once widely…
- Pharmacopoeia An official authoritative listing of drugs. Aspirin has, for example, long been in the pharmacopoeia. By…
- Skittles Street name for dextromethorphan (DXM)
- Osmolarity, plasma See: Plasma osmolarity
- Hct (hematocrit) Hematocrit): Abbreviation for hematocrit. The hematocrit is the proportion, by volume, of the blood that…
- Avian influenza Also called fowl plague, avian flu, and bird flu. A highly contagious viral disease with up to 100% mortality…
- Cyclosporiasis Infection with the parasite Cyclospora cayetanensis. See: Cyclospora infection
- Inbreeding, coefficient of A measure of how close two people are genetically to each another. The coefficient of inbreeding, symbolized…
- Transfer RNA (tRNA) A class of RNA that has triplet nucleotide sequence complementary to the triplet nucleotide coding sequences…