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- Plumbism Another name for lead poisoning.
- Cholecystokinin Abbreviated CCK. A polypeptide hormone that stimulates the contraction of the gallbladder with release of…
- Rosary pea See: Abrin
- Lungs The lungs are a pair of breathing organs located with the chest which remove carbon dioxide from and bring…
- Austin Flint murmur A murmur due to aortic regurgitation, originating at the mitral valve when blood enters simultaneously from…
- Leu Leucine. See also: Amino acid symbols
- ATCC (American Type Culture Collection) >Algae & Protozoa >Bacteria & Bacteriophages >Cultured Cell Lines & Hybridomas >Fungi &…
- Macrocephaly An abnormally large head. The opposite of macrocephaly is microcephaly (an abnormally small head)
- Joint, acetabular The hip joint by another name. The acetabulum is the cup-shaped socket of the hip joint. It is a key feature…
- Hallux varus An inward bending (varus) of the joint of the big toe (the hallux).
- Urine blood Blood in the urine. Also called hematuria. Gross hematuria refers to blood that is so plentiful in the urine…
- Adult acne Popular name for rosacea. For more information, see: Rosacea