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).
Safe sex
1. A sexual practice designed to reduce the risk of catching sexually transmitted infections (STIs). 2. A sexual practice that does not involve the exchange of bodily fluids, including blood, sperm, vaginal secretions, and saliva, to avoid…
Read the definitionRandom terms
Show more- Leukemia, refractory Leukemia in which the high level of white blood cells is not decreasing in response to treatment
- Iodide The chemical form to which iodine in the diet is reduced before it is absorbed through the intestinal wall…
- Preauricular tag A common minor anomaly, this is a rudimentary tag of ear tissue. It often contains a core of cartilage. The…
- Uvulopalatopharyngoplasty A type of operation designed to tighten up flabby tissues and enlarge the upper air passages. The operation…
- CSF (colony-stimulating factor) A laboratory-made agent similar to a substance in the body that stimulates the production of blood cells. The…
- Cradle cap A form of seborrheic dermatitis. of the scalp in infants. It is characterized by flaking or scaling of the…
- Raccoon roundworm infection Infection by the raccoon roundworm is also called Baylisascaris. The species commonly found in raccoonsis…
- Dermatofibroma A common type of benign skin tumor that is small, slow-growing, typically firm, red-to-brown and most often…
- Catalyst A substance that speeds up a chemical reaction but is not consumed or altered in the process. Catalysts are…
- Toothache Toothache: Pain in or near a tooth. Also called odontalgia. The most common cause of a toothache is a dental…
- Trismus and pseudocamptodactyly syndrome See: Hecht syndrome
- Hand, foot, and mouth disease A common illness of infants and children under 10 years old characterized by fever, sores in the mouth, and a…