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).
Placebo
Also called the placebo response. A remarkable phenomenon in which a placebo -- a fake treatment, an inactive substance like sugar, distilled water, or saline solution -- can sometimes improve a patient's condition simply because the…
Read the definitionRandom terms
Show more- Secondary pulmonary arterial hypertension See: Pulmonary hypertension
- New Engl J Med The New England Journal of Medicine
- Intrauterine contraceptive device (IUD) A device inserted into the uterus (womb) to prevent conception (pregnancy). The IUD can be a coil, loop…
- Subutex Brand name for buprenorphine
- Familial adenomatous coli, autosomal recessive See: MYH
- Conjunctivitis, allergic Inflammation of the whites of the eyes (the conjunctivae) with itching and redness of the eyes and tearing…
- Adenomyosis Pronounced a-den-o- mi-o-sis, this is a common benign condition of the uterus in which the endometrium (the…
- Maculopathy, cellophane See: Macular pucker
- Syndrome, kinky hair See: Menkes syndrome
- Enchondromatosis A condition characterized by multiple enchondromas -- benign masses of cartilage growing within bones. The…
- Collagen, type IV, alpha 5 See: COL4A5
- Palsy Paralysis, generally partial, whereby a local body area is incapable of voluntary movement (motor function)…