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).
Cavernous sinus syndrome
A cavernous sinus thrombosis is a blood clot within the cavernous sinus, a large channel of venous blood in a cavity bordered by the sphenoid bone and the temporal bone of the skull. The cavernous sinus is an important structure because of…
Read the definitionRandom terms
Show more- Viral hepatitis Viral hepatitis: Viral hepatitis is liver inflammation caused by viruses. Specific hepatitis viruses have…
- Shock, spinal Shock caused by injury to the spinal cord
- Duct of Bellini See: Ejaculatory duct.
- Angiotensin A family of peptides (smaller than proteins) that act as vasoconstrictors to narrow blood vessels
- Marinesco-Sjogren syndrome Syndrome: A genetic disorder characterized by very small stature, cerebellar ataxia (wobbliness), cataracts…
- Disease, hyaline membrane Respiratory disease of the newborn, especially the premature infant, in which a membrane composed of proteins…
- Insemination, intrauterine A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- Equinophobia An abnormal and persistent fear of horses. Sufferers of equinophobia experience undue anxiety even when a…
- Iodide The chemical form to which iodine in the diet is reduced before it is absorbed through the intestinal wall…
- Additive genetic effects A mechanism of quantitative inheritance such that the combined effects of genetic alleles at two or more gene…
- Thrombinogen Better known today as prothrombin, a coagulation (clotting) factor needed for the normal clotting of blood…
- Galactose A sugar contained in milk. Galactose makes up half of the sugar called lactose that is found in milk. Lactose…