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).
Stargardt disease
An hereditary eye disease that is one of the most frequent causes of macular degeneration in childhood. (The macula is the part of the retina that is responsible for central vision.) The disease has its onset between the ages of 7 and 12…
Read the definitionRandom terms
Show more- Ultraviolet C One of the three types of invisible light rays (together with ultraviolet A and ultraviolet B) given off by…
- Preventive medicine Medicine designed to avert and avoid disease. Screening for hypertension and treating it before it causes…
- Deoxyhemoglobin The form of hemoglobin without oxygen, the predominant protein in red blood cells. Hemoglobin forms an…
- APLS (antiphospholipid antibody syndrome) Antiphospholipid antibody syndrome): An immune disorder characterized by the presence of abnormal antibodies…
- Hallucination A profound distortion in a person's perception of reality, typically accompanied by a powerful sense of…
- Medicalize To identify a condition as a disorder requiring medical treatment. The term 'medicalize' is usually used in a…
- Urinary calculus A stone in the urinary tract. The word 'calculus' in Latin means 'a pebble.' Pebbles were once used for…
- Cardiology The study and treatment of heart disorders
- Stent, coated See: Coated stent
- X-rays during pregnancy See: Prenatal radiation exposure
- Relapse The return of signs and symptoms of a disease after a patient has enjoyed a remission. For example, after…
- Red blood cells The blood cells that carry oxygen. Red cells contain hemoglobin and it is the hemoglobin which permits them…