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).
LQTS
The long QT syndrome. See Long QT syndrome
Read the definitionRandom terms
Show more- Helminth A worm classified as a parasite. (A parasite is a disease-causing organism that lives on or in a human or…
- Drug, antiviral An agent that kills viruses or suppresses their replication and, hence, inhibits their capability to multiply…
- Oral rehydration therapy The administration of special fluids by mouth treat dehydration. Abbreviated ORT. See also: Oral rehydration…
- His Histidine. See also: Amino acid symbols
- Pulmonary fibrosis Pulmonary fibrosis: Scarring throughout the lungs which can be caused by many conditions such as…
- Carbolic acid A synonym of phenol. In dilute solution, an antimicrobial agent. First used to clean wounds and dress them by…
- Microduplication The gain of a tiny piece of a chromosome, a piece so small its presence is not apparent on ordinary…
- IU (international unit) An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used…
- Syndrome, Guillain-Barre See: Guillain-Barre syndrome
- Bruxism Grinding and gnashing the teeth. Bruxism is due to clenching of the teeth other than in chewing and is…
- Meningococcal vaccine Meningococcal vaccine: A vaccine to prevent meningococcal infection, including meningococcal meningitis, an…
- Glucose, fasting blood Glucose, fasting blood: A method for learning how much glucose (sugar) there is in a blood sample taken after…