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).
Heart disease, rheumatic
Heart damage caused by rheumatic fever. Treatment is by preventing reinfection with strep and by treating with heart drugs as needed
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- Prehypertension A systolic pressure of 120 to 139 mm Hg or a diastolic pressure of between 80 and 89 mm Hg. Prehypertension…
- Oophoritis Inflammation of the ovary or egg sac.
- Roentgen, Wilhelm Wilhelm Conrad Rontgen (1845-1923), German-born, Dutch-educated physicist who first observed and documented…
- Pulmonary embolism Pulmonary embolism: The obstruction of the pulmonary artery or a branch of it leading to the lungs by a blood…
- Micro-RNA A tiny piece of RNA, about 21 to 23 bases in length, that binds to matching pieces of messenger RNA to make…
- Stretch, quadriceps An exercise to stretch the quadriceps muscle, the large muscle in the front of the thigh. To do this…
- ARD Acronym that stands for a disorder known as Adult Respiratory Distress or Acute Respiratory Distress. Also…
- ADA deficiency Lack of normal adenosine deaminase (ADA) activity, a genetic (inherited) condition causing one form of severe…
- Chloropicrin A riot control agent or 'tear gas.' See: Riot control agent poisoning
- Spots in front of the eyes Also known as 'floaters', blurry spots that drift in front of the eyes but do not block vision. The blur is…