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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Antiviral
An agent that kills a virus or that suppresses its ability to replicate and, hence, inhibits its capability to multiply and reproduce. For example, amantadine (Symmetrel) is a synthetic antiviral. It acts by inhibiting the multiplication…
Read the definitionRandom terms
Show more- Premature ventricular contraction PVC. A contraction of the lower chambers of the heart, the ventricles, which occur earlier than usual…
- Osteotomy, block Surgical removal a section of bone
- Microalbuminuria 1. Generally, a subtle increase in the urinary excretion of the protein albumin that cannot be detected by a…
- Vein, splenic A vein that is formed by the union of several small veins draining blood from the stomach, pancreas and…
- Shin bone fever Fever: Called shin bone fever because it characteristically causes fever and pain in the legs, this disease…
- Midwife, lay See: Lay midwife
- Germanium A nonessential trace element that has caused nephrotoxicity (kidney injury) and death when used chronically…
- Cystine An amino acid that is particularly notable because it is the least soluble of all of the naturally occurring…
- Alpha-defensin See: Defensin
- Amine A chemical compound containing nitrogen. Amines are derived from ammonia. (The name 'amine' was derived from…
- Tuberculosis, active The presence of Mycobacterium tuberculosis infection with a positive chest X-ray. Treatment of active…
- Retinal detachment Retinal detachment: A separation of the retina from its connection at the back of the eye. The separation…