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).
Radiation therapy, 3-D
A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target it as accurately as possible and give it the highest possible dose of radiation while sparing normal tissue as much as possible. Also known…
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Show more- Chronic bronchitis Defined clinically as a daily cough with production of sputum for 3 months, two years in a row. In chronic…
- Menopause transition Menopause transition: A woman can usually tell if she is approaching menopause because her menstrual periods…
- Naegleria infection Naegleria infection: Infection from an ameba called Naegleria fowleri that is commonly found in the…
- Meningitis, aseptic Inflammation of the meninges that is not caused by bacterial infection. Viral meningitis is the most common…
- Psychological imprinting A remarkable genetic phenomenon that occurs in animals, and theoretically humans, in the first hours of life…
- GSS Gerstmann-Straussler-Scheinker. See: Gerstmann-Straussler-Scheinker syndrome
- Affective disorder, seasonal (SAD) Depression that tends to occur (and recur) as the days grow shorter in the fall and winter. It is believed…
- Traditional Chinese medicine The current name for an ancient system of health care from China. Traditional Chinese medicine (TCM) is based…
- Diverticulum, Meckel's An outpouching of the small bowel. About 1 in every 50 people has a Meckel's diverticulum. It is usually…
- Chyle A fluid consisting of a mixture of lymphatic fluid (lymph) and chylomicrons that has a milky appearance…
- Degenerative arthritis Also known as osteoarthritis, this type of arthritis is caused by inflammation, breakdown and eventual loss…
- Nasal septum deviation Failure of the nasal septum to be in the midline where it is supposed to be. (The nasal septum is the wall…