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).
Great Plague
The 'Great Plague' that swept London in 1665 was probably not really the plague but rather typhus. The plague was a highly contagious, infectious, virulent, devastating disease due to a bacteria called Yersinia pestis which mainly infects…
Read the definitionRandom terms
Show more- Drusen Tiny yellow or white deposits in the retina of the eye or on the optic nerve head. The presence of drusen is…
- Salpingo-oophorectomy Removal of the fallopian tubes and ovaries
- Innervate To supply with nerves. It is a little known fact that the cornea is the most densely innervated tissue in the…
- Catechol-O-methyltransferase COMT. An enzyme that catalyzes the degradation of catecholamines, including the neurotransmitters dopamine…
- Intracranial Within the cranium, the bony dome that houses and protects the brain. An intracranial hemorrhage is bleeding…
- Valgum See: Valgus
- CRP An intestinal infection characterized by diarrhea caused by a microscopic parasite, Cryptosporidium parvum…
- Ossicle Any small bone, such as the tiny bones within the human ear
- Assistive technology This term may be used to mean an assistive device, but more commonly denotes some kind of electronic or…
- Illness, acute An illness with an abrupt onset and usually a short course
- Polio vaccine, oral A vaccine that contains live attenuated (weakened) poliovirus. Abbreviated OPV. Also referred to as polio…
- Forceps, obstetrical An instrument designed as an aid in the vaginal delivery of a baby. Forceps may be used to ease delivery or…