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).
Neurotoxin
A substance that causes damage to nerves or nerve tissue. For example, lead is a neurotoxin
Read the definitionRandom terms
Show more- Acentric chromosome A fragment of a chromosome (one of the microscopically visible carriers of the genetic material DNA) that is…
- Attentional Relating to attention. The term is used in psychology and child development as, for example, early television…
- Vaccinia adverse reaction See Smallpox vaccination adverse reaction
- Electromagnetic field therapy See: Magnet therapy
- Journals, medical In 1665 the Royal Society in England published one of the first 2 scientific journals in the world: the…
- Disorder, attention deficit (ADD) An inability to control behavior due to difficulty in processing neural stimuli. In November, 1998 the…
- Stroma The supportive framework of an organ (or gland or other structure), usually composed of connective tissue…
- Snellen's chart The familiar eye chart used to measure how well you see at various distances. Snellen's chart is imprinted…
- Barr body A microscopic feature of female cells due to the presence of two X chromosomes in the female. One of these X…
- Cognitive behavior therapy See: Cognitive therapy
- PNL (percutaneous nephrolithotripsy) A technique for removing large and/or dense stones and staghorn stones. PNL is done via a port created by…
- Osteotomy, cuneiform Surgical removal of a triangular piece of bone