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).
Tonic-clonic seizure
The classic type of epileptic seizure consisting of two phases to a tonic-clonic seizure -- the tonic phase and the clonic phase. In the tonic phase the body becomes entire rigid, and in the clonic phase there is uncontrolled jerking…
Read the definitionRandom terms
Show more- Over-the-counter (OTC) drug A drug for which a prescription is not needed
- Dermatomyositis A chronic inflammatory disease of skin and muscle which is associated with patches of slightly raised reddish…
- Hydroxyapatite crystal disease Hydroxyapatite crystal disease:The inflammation caused by hydroxyapatite crystals has been referred to as…
- Telomerase An enzyme concerned with the formation, maintenance, and renovation of telomeres, the ends of chromosomes…
- Screening mammogram Mammogram: A mammogram (an X-ray of the breast) in women who have no signs of breast cancer. It usually…
- Leukemia, juvenile myelomonocytic leukemia See: Juvenile myelomonocytic leukemia
- Choana (Plural: choanae) The passageway from the back of one side of the nose to the throat. There are two choanae…
- Senility 1. Originally, old age. 2. The physical decline associated with old age. 3. The mental decline once…
- Zaleplon Zaleplon: Brand name: Sonata. A sedative hypnotic drug in a class closely related the benzodiazepines…
- Preeclampsia A condition in pregnancy characterized by abrupt hypertension (a sharp rise in blood pressure), albuminuria…
- Gay A person who is homosexual, especially a male homosexual. The word 'gay' in this regard may denote the…
- Anterior chamber The space in the eye that is behind the cornea and in front of the iris. The cornea is the outer…