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.
- 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).
Virulent
Extremely noxious, damaging, deleterious, disease-causing (pathogenic). Marked by a rapid, severe, and malignant course. Poisonous, venomous. The virulence of a microorganism is a measure of the severity of the disease it causes. The word…
Read the definitionRandom terms
Show more- Aerosinusitis Sinus troubles, particularly with pain, due to changing atmospheric pressures, as when going up or down in a…
- Hemophilia A Classic hemophilia, due to profound deficiency of factor VIII, a blood factor necessary to normal clotting…
- Oral rehydration therapy The administration of special fluids by mouth treat dehydration. Abbreviated ORT. See also: Oral rehydration…
- Proctitis, ulcerative Ulcerative colitis that is limited to the rectum. Ulcerative colitis itself is a relatively common disease…
- DNA amplification The production of multiple copies of a sequence of DNA. Repeated copying of a piece of DNA. DNA amplification…
- Antidepressant >citalopram (Celexa, Cipramil) >escitalopram oxalate (Cipralex, Lexapro) >fluvoxamine maleate (Luvox)…
- Structural scoliosis A fixed lateral (sideway) curve of the spine. Structural scoliosis often occurs from unknown factors without…
- Juvenile diabetes See Diabetes, type 1
- Mesentery A fold of tissue which attaches organs to the body wall. The word mesentery usually refers to the small bowel…
- Disease, Legg See Legg-Calve-Perthes disease
- Fungal Pertaining to a fungus. For example, a fungal skin infection
- Antibody, antinuclear An unusual antibody that is directed against structures within the nucleus of the cell. Antinuclear…