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.
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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).
DDH (developmental dislocation of the hip)
The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is not stable within the socket (the acetabulum). The ligaments of the hip joint may also be loose and stretched. The degree of…
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Show more- Cushing syndrome Cushing syndrome: The constellation of symptoms and signs caused by an excess of cortisol hormone. Cushing…
- Tonic-clonic seizure The classic type of epileptic seizure consisting of two phases to a tonic-clonic seizure -- the tonic phase…
- Orgasm The climax of coitus, consisting of a series of involuntary muscle contractions in the anus, lower pelvic…
- Cancer cluster A greater-than-expected number of cancer cases that occurs within a group of people in a geographic area over…
- Excess iron Iron overload can damage the heart, liver, gonads and other organs. Iron overload is a particular risk for: >…
- Poikiloderma atrophicans with cataract Better known as the Rothmund-Thomson syndrome, this is an hereditary disease characterized by progressive…
- Hypotension Any blood pressure that is below the normal expected for an individual in a given environment. Hypotension is…
- Puerperal fever Fever that lasts for more than 24 hours within the first 10 days after a woman has had a baby. Puerperal…
- Working memory Short-term (recent) memory. Working memory is a system for temporarily storing and managing the information…
- Fibroadenoma A benign growth in the breast that is solid, firm, smooth and usually painless or only slightly tender…
- Ammonia A colorless gas with a very sharp odor. Made both by humans and by nature, ammonia dissolves easily in water…
- Lou Gehrig disease Amyotrophic lateral sclerosis (ALS), a classic motor neuron disease. Motor neuron diseases are progressive…