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).
Epilepsy, Jacksonian
Epilepsy, Jacksonian:A brief alteration in movement, sensation or nerve function caused by abnormal electrical activity in a localized area of the brain. Seizures of this type typically cause no change in awareness or alertness. They are…
Read the definitionRandom terms
Show more- Negative, false A result that appears negative but fails to reveal a situation. An example of a false negative: a particular…
- PH meter A simple and speedy device to measure the acidity and alkalinity of a fluid. A pH meter acts as a volt meter…
- Arachnoiditis Arachnoiditis: Inflammation of the middle layer of membranes covering the brain and spinal cord…
- Stem cell transplantation The use of stem cells as a treatment for cancer or other diseases: > >The stem cells are removed (or…
- Zona pellucida The strong membrane that forms around an ovum as it develops in the ovary. The membrane remains in place…
- Disease, polycystic ovarian Scrub typhus, a mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi…
- Naproxen Naproxen: A non-steroidal anti-inflammatory drug (NSAID) used for the management of mild to moderate pain…
- Multislice computed tomography See: Multidetector computed tomography
- Hughlings Jackson, John (1835-1911) English physician who pioneered the development of neurology as a medical specialty during the…
- Syndrome, chromosome 4 short-arm deletion This syndrome, called the Wolf-Hirschhorn syndrome, is a chromosome disorder due to partial deletion of the…
- Placenta A temporary organ joining the mother and fetus, the placenta transfers oxygen and nutrients from the mother…
- Tyrosinemia type II A metabolic genetic disease due to deficiency of the enzyme tyrosine transaminase. The disease is…