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).
Stricture, esophagus, acute
A narrowing or closure of the normal opening of the swallowing tube leading to the stomach, usually caused by scarring from acid irritation. Acute, complete obstruction of the esophagus occurs when food (usually meat) is lodged in the…
Read the definitionRandom terms
Show more- Bullae More than one bulla, a bulla being a blister more than 5 mm (about 3/16 inch) in diameter with thin walls…
- Thyroiditis Thyroiditis: Inflammation of the thyroid gland which is located in front of the neck: NTER> The inflamed…
- Wheezing A whistling noise in the chest during breathing when the airways are narrowed or compressed
- Choriocarcinoma A highly malignant tumor that arises from trophoblastic cells within the uterus. Choriocarcinoma tends to be…
- Brissaud's infantilism An eponym that is little used (in the USA) for hypothyroidism (subnormal activity of the thyroid gland) that…
- Liver spot A pigmented flat spot on sun-exposed skin in older adults, especially on the back of the hands and on the…
- Bronchopulmonary Pertaining to both the air passages (bronchi) leading to the lungs and the lungs (pulmonary) themselves
- Manic-depressive disease See manic-depression
- Cellulitis Cellulitis: An acute spreading bacterial infection below the surface of the skin characterized by redness…
- Disease, Kikuchi A disorder that typically causes 'swollen glands' in the neck (cervical lymphadeniopathy) together with fever…
- Good Samaritan Someone who voluntarily helps someone else who is in distress. The term 'Good Samaritan' comes from the…
- Refract In ophthalmology, to determine the bending of light that takes place within the human eye. Refractive errors…