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).
SEM
Scanning electron microscope
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Show more- Hydronephrosis Hydronephrosis: Distention of the kidney with urine. Due to obstruction of urine outflow (for example, by a…
- Capsaicin A component of certain plants, including cayenne and red pepper, used topically to relieve minor arthritis…
- Fluctuating rib One of the last two ribs. A rib is said to be 'fluctuating' if it does not attach to the sternum (the breast…
- EBS (epidermolysis bullosa simplex) See: Epidermolysis bullosa simplex
- Arterial aneurysm An outpouching (aneurysm) of an artery. As opposed to a venous or cardiac aneurysm. An aneurysm is a…
- Transplant, heart See: Heart transplant
- Vitamins >Vitamin A: Retinol. Carotene compounds responsible for transmitting light sensation in the retina of the…
- Left atrium The upper right chamber of the heart. The left atrium receives oxygenated blood from the lungs and pumps it…
- Pulse, Corrigan A pulse that is full and then suddenly collapses. Named for the Irish physician Dominic John Corrigan…
- Stomach paralysis Formally called gastroparesis, this is a medical condition in which the muscle of the stomach is paralyzed by…
- Orthopedics The branch of surgery broadly concerned with the skeletal system (bones). Orthopedics is how this field of…
- Frontal lobe The part of each hemisphere of the brain located behind the forehead that serves to regulate and mediate the…