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).
Grand mal
A form of epilepsy characterized by tonic-clonic seizures. involving two phases -- the tonic phase in which the body becomes rigid, and clonic phase in which there is uncontrolled jerking. Tonic-clonic seizures may or may not be preceded…
Read the definitionRandom terms
Show more- Ciguatoxin A seafood toxin that is acquired by eating fish that have consumed toxic single-celled marine organisms…
- Cardiac transplant See: Heart transplant
- Neurosyphilis Neurological complications in the third (tertiary) and final phase of syphilis, which involve the central…
- Acid, amino One of the 20 building blocks of protein. The sequence of amino acids in a protein and, hence, the function…
- C-section Short for Caesarian section, a procedure in which a baby, rather than being born vaginally, is surgically…
- Inheritance, multifactorial The type of hereditary pattern seen when there is more than one genetic factor involved and, sometimes, when…
- Assay, NSE Neuron-specific enolase (NSE) is a substance that has been detected in patients with certain tumors, namely…
- Hallux What the ancient Romans called the big toe. Since hallux was a good enough word for the big toe among the…
- BLAST Abbreviation for Basic Local Alignment Search Tool, a computer program that identifies homologous genes in…
- Lower leg The lower leg is the bottom segment of the leg: the part below the knee. The lower leg contains two long…
- Human gene map The locations of the human genes. The location of each gene is called a locus (plural: loci). The total…
- Stenosis A narrowing, as in: > >aortic stenosis (narrowing of the aortic valve of the heart), >pulmonary stenosis…