MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Small cell lung cancer
A type of lung cancer in which the cells appear small and round under the microscope. Also called oat cell lung cancer
Read the definitionRandom terms
Show more- Rebound effect The characteristic of a drug to produce reverse effects when the effect of the drug has passed or the patient…
- Nephritis, infective tubulointerstitial Inflammation of the kidney due to infection. Symptoms include nausea, pain in the kidney area, fever, and…
- Thyroid stimulating hormone A hormone produced by the pituitary gland at the base of the brain in response to signals from the…
- Lectin A complex molecule that contains both protein and sugar. Lectins are made by both animals and plants and are…
- Prostatodynia A type of inflammation of the prostate not due to bacterial infection and in which there are no objective…
- Hormone, growth A hormone made in the pituitary gland that stimulates the release of another hormone called somatomedin by…
- Patent urachus A birth defect involving the urachus, a canal connecting the bladder of the fetus with the allantois, a…
- Medication, antibiotic A drug used to treat bacterial infections. The original definition of an antibiotic was a substance produced…
- Juxtaposition The prefix 'juxta-' comes from the Latin preposition meaning near, nearby, close. Juxtaposition is thus the…
- Glaucoma treatment (medical) Although glaucoma cannot be cured, it can usually be controlled. Medical treatment can be in the form of…
- Addison anemia Anemia: A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not produce the…
- Dysphagia Difficulty in swallowing, swallowing problems. Dysphagia is due to problems in nerve or muscle control. It is…