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).
Endemic typhus
Murine typhus, an acute infectious disease with fever, headache, and rash, all quite similar to, but milder than, epidemic typhus, caused by a related microorganism, Rickettsia typhi (mooseri), transmitted to humans by rat fleas…
Read the definitionRandom terms
Show more- Xanthomatosis A condition in which fatty deposits occur in various parts of the body. These fatty deposits are called…
- Bowel sounds The gurgling, rumbling, or growling noises from the abdomen caused by the muscular contractions of…
- Small inhibitory RNA See: siRNA
- Vitamin E Alpha-tocopherol, an antioxidant vitamin which binds oxygen free radicals that can cause tissue damage…
- Clamydia A common misspelling of Chlamydia
- Automatic seizure A form of complex partial seizure characterized by automatisms, which are unconscious movements that may…
- Lacrimal Pertaining to tears, as in lacrimal gland (tear gland). From the Indo-European dakru meaning a tear (from a…
- Gottron sign A scaly, patchy redness over the knuckles seen in patients with dermatomyositis, an inflammatory muscle…
- Nickel A silver-white metallic element. Long-term exposure to nickel, such as from jewelry, can cause a form of…
- HTLV-III The human T-lymphotropic virus type III. An obsolete term for the human immunodeficiency virus or HIV
- Genome, canine See: Dog genome
- Hashimoto thyroiditis Thyroiditis: A progressive disease of the thyroid gland characterized by the presence of antibodies directed…