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).
Vanishing lung syndrome
A radiological syndrome in which the lungs appear to be disappearing on X-ray. The syndrome is characterized by a progressive decrease in the radiographic opacity of the lung. Causes include the accelerated progression of emphysema…
Read the definitionRandom terms
Show more- Chronic bronchitis Defined clinically as a daily cough with production of sputum for 3 months, two years in a row. In chronic…
- Jejunal Having to do with the jejunum.
- Physics, health The science of human health and radiation exposure. Health physics, also called medical physics, is devoted…
- HRT (hormone replacement therapy) The combination therapy of estrogen plus progestogen, termed hormone replacement therapy (HRT). Estrogen…
- TLR4 Toll-like receptor 4
- Blade bone Familiar term for the scapula, also called the shoulder blade or wing bone, the flat triangular bone at the…
- Pregnancy ultrasound Creating an image of the developing fetus within the uterus by means of measuring the vibrations returned…
- Marker chromosome An abnormal chromosome that is distinctive in appearance but not fully identified. A marker chromosome is not…
- Cancer, bladder Cancer of the organ responsible for temporarily holding urine after it leaves the kidneys. The most common…
- Monocular 1. With one eye, as in monocular vision.2. With one eyepiece, as in a monocular microscope
- Polymorphism A variation in the DNA that is too common to be due merely to new mutation. A polymorphism must have a…
- Cranial A genetic (inherited) disorder of bone development characterized by: 1. Typical cranial and facial…