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).
Sclerosis, multiple
The injection of a chemical irritant into a vein to sclerose ("harden") it. The chemical irritates the lining of the vein, causing it to swell and the blood to clot. The vein turns into scar tissue that fades from view. Blood flow shifts…
Read the definitionRandom terms
Show more- Laparoscope An instrument through which structures within the abdomen and pelvis can be seen. A small surgical incision…
- Immunotherapy Treatment to stimulate or restore the ability of the immune (defense) system to fight infection and disease…
- Seizure, astatic See: Atonic seizure
- Parietal Adjective from the Latin 'parietalis' meaning 'belonging to the wall' that the ancient anatomists used to…
- Deficiency, sphingomyelinase Also called Niemann-Pick disease, this is a disorder of the metabolism of a lipid (fat) called sphingomyelin…
- Choroidal melanoma See: Melanoma, choroidal
- Emergency supplies kit An infectious disease that has newly appeared in a population or that has been known for some time but is…
- Hardy, James D. Pioneering American transplant surgeon responsible for three epochal operations: the first human lung…
- Lower GI series Short for lower gastrointestinal series. A series of x-rays of the rectum, colon and lower section of the…
- Ear, middle There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The middle…
- Aqueduct of Sylvius A canal that communicates between the third and fourth ventricles in a system of four communicating cavities…
- ASAT Anemia, sideroblastic, and spinocerebellar ataxia. See:href='/script/main/art.asp?articlekey=34082'>Pagon…