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).
Seizure
Seizure: Uncontrolled electrical activity in the brain, which may produce a physical convulsion, minor physical signs, thought disturbances, or a combination of symptoms. The type of symptoms and seizures depend on where the abnormal…
Read the definitionRandom terms
Show more- Hexosaminidase A An enzyme which, when deficient, causes Tay-Sachs disease, a progressive fatal neurologic disorder…
- Arthroscopic Refers to a surgical technique whereby a doctor inserts a tube-like instrument into a joint to inspect…
- Cell, totipotent A cell with the capacity to form an entire organism. Human development begins when a sperm fertilizes an egg…
- Nurse-midwifery The practice engaged in by a nurse-midwife
- Tablet splitting The practice of cutting tablets in half. The reason is usually financial. To reduce costs, a physician may…
- Brain plasticity See Neuroplasticity
- Tassinari syndrome Taste belongs to our chemical sensing system, or the chemosenses. The complicated process of tasting begins…
- Porphyria A diverse group of diseases in which the production of heme is disrupted. Porphyria is derived from the Greek…
- Foodborne disease A disease caused by consuming contaminated food or drink. Myriad microbes and toxic substances can…
- Gigantism, eunuchoid Extremely tall stature due to the delayed onset of puberty which permits the continued growth of the long…
- Medicine, family Also called family practice. The medical specialty which provides continuing and comprehensive health care…
- Myotonic dystrophy An inherited disease in which the muscles contract but have decreasing power to relax -- this phenomenon is…