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- Allergy Allergy: A misguided reaction to foreign substances by the immune system, the body system of defense against…
- Arteria femoralis See: Femoral artery
- PAPPA Pregnancy-associated plasma protein A
- Femoral vein The largest vein in the groin. The femoral vein is a continuation of the popliteal vein. It passes, together…
- Mineralocorticoids A group of hormones (the most important being aldosterone) that regulate the balance of water and…
- Five-lipoxygenase activating protein See: FLAP
- Cerebral amyloidosis and spongiform encephalopathy See: Gerstmann-Straussler-Scheinker syndrome
- End stage The last phase in the course of a progressive disease. As in end-stage liver disease, end-stage lung disease…
- Postural Pertaining to the posture or position of the body, the attitude or carriage of the body as a whole, or the…
- Skin graft Skin that is used to cover an area where the patient's skin has been lost due to a burn, injury, or surgery…
- Fever, epidemic hemorrhagic A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and…
- Epiphenomenon 1. An additional symptom or condition that appears during the course of a disease. A doctor might ask if you…