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).
Recommended Dietary Allowance
The RDA, the estimated amount of a nutrient (or calories) per day considered necessary for the maintenance of good health by the Food and Nutrition Board of the National Research Council/ National Academy of Sciences. The RDA is updated…
Read the definitionRandom terms
Show more- Ear cleaning (yourself) Never put anything smaller than your elbow in your ear! Wax is not formed in the deep part of the ear canal…
- Choroiditis An inflammation of the layer of the eye behind the retina, either in its entirely (multifocal choroiditis) or…
- PARK5 Familial Parkinson disease type 5
- ADA (American Diabetes Association) The American Diabetes Association (ADA) provides the following introduction: 'The American Diabetes…
- Fibrates for lowering cholesterol Fibrates are cholesterol-lowering drugs that are primarily effective in lowering triglycerides and, to a…
- Epidermal growth factor receptor EGFR
- Extrapulmonary tuberculosis See: Tuberculosis, extrapulmonary. See also: Tuberculous meningitis
- Calor, dolor, rubor, and tumor Heat, pain, redness, and swelling. The four classical signs of inflammation, originally recorded by the Roman…
- Surgery, off-pump See: Off-pump surgery
- Erythema dose The amount of radiation which, applied to the skin, makes it turn temporarily red (erythematous)
- Carotid artery A key artery located in the front of the neck though which blood from the heart goes to the brain. There are…
- Airway The path air follows to get into and out of the lungs. The mouth and nose are the normal entry and exit…