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).
Spiral CAT scan
A conventional computerized axial tomography scan (CAT scan or CT scan) is an x-ray procedure which combines many x-ray images with the aid of a computer to generate cross-sectional views and, if needed, three-dimensional images of the…
Read the definitionRandom terms
Show more- Posterior chamber The space in the eye behind the iris and in front of the lens. (The iris is the colored ring of tissue that…
- Costal margin The lower edge of the chest (thorax) formed by the bottom edge of the rib cage
- Sidney Goldring See: Goldring, Sidney
- Fracture Fracture: A break in bone or cartilage. Although usually the result of trauma, a fracture can be caused by an…
- Cervical cap A soft rubber cup with a round rim designed to fit snugly around the cervix and act as a barrier…
- Tuberculosis, active The presence of Mycobacterium tuberculosis infection with a positive chest X-ray. Treatment of active…
- Telogen effluvium >The growing, or anagen, stage is the predominant phase (80% to 90% of a person's hair is usually in the…
- Orthopaedics The branch of surgery broadly concerned with the skeletal system (bones). This particular term is commonly…
- Acuity, visual The clarity or clearness of the vision, a measure of how well a person sees. The ability to distinguish…
- Treadmill A machine with a moving strip on which one walks without moving forward. A treadmill was originally a wide…
- Hyperthermia : Overheg of the body. This may be due to extreme weather conditions. Unrelieved hyperthermia can lead to…
- Perry syndrome A familial form of Parkinson disease together with depression, weight loss and central hypoventilation in…