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).
Headache, migraine
See migraine headache.
Read the definitionRandom terms
Show more- Chamber, posterior The space in the eye behind the iris and in front of the lens. The iris is the colored ring of tissue that…
- Fractured hip Broken bone in the hip, a key health problem among the elderly, usually due to a fall or other kind of trauma…
- Carcinoma in situ, squamous cell An early stage of skin cancer. Also known as Bowen's disease. This is a tumor that develops from the squamous…
- Chemoradiotherapy The combination of simultaneous chemotherapy and radiation therapy. Chemoradiotherapy before surgery has been…
- Trait In genetics, a trait refers to any genetically determined characteristic. In technical terms, a genetic trait…
- PSC (primary sclerosing cholangitis) See: Primary sclerosing cholangitis
- Dystonia Dystonia: Involuntary movements and prolonged muscle contraction, resulting in twisting body motions, tremor…
- Priapism Abnormally persistent erection of the penis in the absence of sexual desire. Priapism can occur in persons…
- Disseminated sclerosis See: Multiple sclerosis
- Alpha interferon A protein produced by the body in response to an infection. There are 3 major classes of interferon -- alpha…
- Henoch-Schonlein purpura Henoch-Schonlein purpura: See: Schonlein-Henoch purpura.
- Radionuclide An unstable form of a chemical element that radioactively decays, resulting in the emission of nuclear…