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).
Scorpion venom
The potent poison of the scorpion, an insect that has an elongated body and a segmented, curved tail tipped with a venomous stinger. A sting can be fatal to a person who is allergic to it. The toxicity of scorpion venom varies by species…
Read the definitionRandom terms
Show more- Iodine excess Just as too little iodine can cause thyroid disease, so may prolonged intake of too much iodine also lead to…
- Meningitis, benign recurrent aseptic Recurring meningitis without identifiable cause that leaves no residual damage to the nervous system. Benign…
- Uroporphyrinogen decarboxylase deficiency See: UROD deficiency
- Vision, low Visual loss that cannot be corrected with eyeglasses or contact lenses and that interferes with daily living…
- Bartholin's glands A pair of glands between the vulva and the vagina that produce lubrication in response to stimulation. With a…
- ARS Acute radiation syndrome
- Drug-induced liver disease Drug-induced liver disease: Drug-induced liver diseases are diseases of the liver that are caused by…
- Defibrillator A device used to correct a dangerously abnormal heart rhythm, usually ventricular fibrillation, or to restart…
- Transcranial Through the cranium. As, for example, in transcranial magnetic stimulation
- Restriction site A sequence in DNA that can be recognized and cut by a specific restriction enzyme.
- Boil A skin abscess, a collection of pus localized deep in the skin. A boil usually starts as a reddened, tender…
- Distention The state of being distended, enlarged, swollen from internal pressure. For example, on inhalation there is…