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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Zinc excess
Too much zinc can cause gastrointestinal irritation (upset stomach), interfere with copper absorption and cause copper deficiency, and (like too little zinc) cause immune deficiency. According to the National Academy of Sciences, the…
Read the definitionRandom terms
Show more- Cranial nerves Nerves that emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge from…
- Polypectomy Removal of a polyp by surgery. In the case of polyps in the colon, polypectomy may be done by open abdominal…
- Phrenology The study of variations in size, shape, and proportion of the cranium. Phrenology was a pseudoscience of the…
- Sleeping sickness, African See: African sleeping sickness
- Volvulus Abnormal twisting of the intestine which can impair the blood flow to the intestine. Volvulus can lead to…
- Carotid body A small 'body' of tissue rich in capillaries, at the spot the carotid artery branches in the neck, containing…
- Minipill A form of oral contraceptive taken daily, like combined oral contraceptives (the 'pill'), but containing only…
- Syndrome, Stevens-Johnson A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- VWM Leukoencephalopathy with vanishing white matter, an inherited brain disease that occurs mainly in children…
- Prothrombin 20210A mutation See: Prothrombin mutation G20210A
- Idiopathic sclerosing cholangitis See: Primary sclerosing cholangitis
- Methotrexate Methotrexate: A drug that acts as an antimetabolite and specifically as a folic acid antagonist that inhibits…