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).
Poison
Any substance that can cause severe distress or death if ingested, breathed in, or absorbed through the skin. Many substances that normally cause no problems, including water and most vitamins, can be poisonous if taken in too large of a…
Read the definitionRandom terms
Show more- Water on the brain Known medically as 'hydrocephalus', this is an abnormal buildup of cerebrospinal fluid (CSF) in the…
- Fear of sexual intercourse An abnormal and persistent fear of male-female sexual intercourse. Sufferers of this fear experience undue…
- Immunity, natural See: Innate immunity
- Gynephobia An abnormal, irrational and persistent fear of women. Sufferers experience anxiety even though they realize…
- Phantom vision Seeing images after total loss of eyesight
- PTC (percutaneous transhepatic cholangiography) See: Cholangiography, percutaneous transhepatic
- Cesarian section The obstetrical procedure is often spelled this way in the U.S. with just an 'e' although the Roman emperor…
- PCP Pneumocystis carinii pneumonia. A parasitic infection of the lungs that is particularly common and…
- Leiomyosarcoma A malignant tumor of smooth muscle origin. Smooth muscle is the major structural component of most hollow…
- Forgotten disease Name sometimes given to Lemierre syndrome
- Perineal Of or relating to the perineum
- OKT3 Brand name for muromonab-CD3, an immunosuppressant drug given intravenously to reverse acute rejection of…