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).
Drug caution codes
Abbreviations on medications that indicate caution. While not a part of the historical heritage of ancient prescription abbreviations, drug caution codes provide very valuable warnings. They include both universal and specific caution…
Read the definitionRandom terms
Show more- Beers criteria Criteria for safe medication use in older adults -- for people over 65 years of age. First issued in 1991…
- Variola The old practice of inoculating someone with the virus of smallpox to produce immunity to the disease. Lady…
- Test, CA 125 See: CA 125
- Penis, hypospadias of the Birth defect of the penis involving the urethra (the transport tube leading from the bladder to discharge…
- Proteins, G These molecules have been described as 'biological traffic lights.' Located inside the cell, G proteins are…
- Lymphoid Referring to lymphocytes, a type of white blood cell. Also refers to tissue in which lymphocytes develop.
- Thrombinogen Better known today as prothrombin, a coagulation (clotting) factor needed for the normal clotting of blood…
- Full gene sequence The complete order of bases in a gene. This order determines which protein a gene will produce
- Disease, Kawasaki A syndrome of unknown origin, mainly affecting young children, causing fever, reddening of the eyes…
- Naegleria fowleri A protozoa that is a pathogenic free-living ameba. Infection with Naegleria fowleri causes primary amebic…
- Neurofibromatosis type 1 NF1, a genetic disorder characterized by a number of remarkable skin findings including multiple cafe au lait…
- Injure To harm, hurt, or wound. The word injure may be in physical or emotional sense. Treadmill machines may injure…