MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Temporomandibular joint (TMJ)
The joint that hinges the lower jaw (mandible) to the temporal bone of the skull. It is one of the most frequently used joints in the entire body, moving whenever a person eats, drinks, or talks
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Show more- SSPE Subacute sclerosing panencephalitis, a chronic brain disease of children and adolescents that occurs months…
- Leuk- Prefix meaning white, as in leukemia. Leuk-and leuko-, the form used before a consonant, come from the Greek…
- Aortic insufficiency Incomplete closure of the aortic valve resulting in aortic regurgitation, the return of blood from the aorta…
- End stage The last phase in the course of a progressive disease. As in end-stage liver disease, end-stage lung disease…
- ERG Electroretinography
- Scheuermann's disease A species of trematode worm that parasitizes humans and causes urinary tract disease. See Schistosomiasis.
- Ablate To remove. A tumor may be ablated. To ablate the thyroid gland is to remove it. The word 'ablation' came from…
- Hypocapnia Less than the normal level of carbon dioxide in the blood. Hypoapnia is the opposite of hypercapnia. The…
- Codes, drug caution Abbreviations on medications that indicate caution. While not a part of the historical heritage of ancient…
- Disease, phytanic acid storage See Refsum disease
- Port wine stain A mark on the skin that resembles port wine (porto) in its rich ruby red color. Due to an abnormal…
- Familial Parkinson disease type 4 A familial form of Parkinson disease inherited in an autosomal dominant manner due to a gene on chromosome…