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).
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Also called conjunctivitis. Redness or irritation of the conjunctivae, the membranes on the inner part of the eyelids and the membranes covering the whites of the eyes. These membranes react to a wide range of bacteria, viruses…
Read the definitionRandom terms
Show more- Niacin deficiency See: Pellagra
- Spectrophobia An abnormal and persistent fear of ghosts. Sufferers of spectrophobia experience undue anxiety even though…
- Hepatic biopsy See: Liver biopsy
- Progesterone A female hormone and the principal progestational hormone that is made mainly by the corpus luteum in the…
- Cholangiopancreatography, endoscopic retrograde See Endoscopic retrograde cholangiopancreatography
- Aneurysm, arterial An aneurysm involving an artery. As opposed to a venous aneurysm or a cardiac aneurysm. An aneurysm is a…
- Cidal Suffix indicating killing, as in bacteriocidal (capable of killing bacteria) and in suicidal (the killing of…
- HBV Hepatitis B virus. A virus which primarily causes inflammation of the liver. The hepatitis B virus can be…
- Snowmobile safety Snowmobiles pose a significant risk to children, adolescents and young adults. Head injuries are the leading…
- Encephalitis, flavivirus See: Flavivirus encephalitis
- HRT (hormone replacement therapy) The combination therapy of estrogen plus progestogen, termed hormone replacement therapy (HRT). Estrogen…
- Ultrafast CT Electron beam computerized tomography (EBCT), a new (and controversial) noninvasive test for the detection of…