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).
Nonpathogenic
Incapable of causing disease. Nonpathogenic bacteria are harmless. By contrast, pathogenic bacteria can cause disease. For example, nonpathogenic E. coli are E. coli that are innocuous (like most E. coli) while pathogenic E. coli can make…
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Show more- Tuberculosis, active The presence of Mycobacterium tuberculosis infection with a positive chest X-ray. Treatment of active…
- Angiotensin II receptor blocker A medication that blocks the action of angiotensin II, permitting the blood vessels to relax and dilate…
- Lipid storage diseases A series of disorders due to inborn errors in lipid metabolism resulting in the abnormal accumulation of…
- Syndrome, acute brain See: Delirium
- Rheumatologist A specialist in the non-surgical treatment of rheumatic illnesses, especially arthritis. Rheumatologists have…
- Median The middle. Like the median strip in a highway.
- DHRD Doyne honeycomb retinal dystrophy, an eye disease also known as malattia leventinese. See: Malattia…
- Andrology The branch of medicine concerned with men's health, particularly male infertility and sexual dysfunction…
- Dandy fever An acute mosquito- borne viral illness of sudden onset that usually follows a benign course with headache…
- Symphysiotomy A surgical procedure to effect an immediate dramatic increase in the size of the pelvic outlet to permit…
- Retinal vein, central The blood vessel that carries blood away from the retina of the eye. The counterpart to the central retinal…
- Weasand 1. The windpipe (trachea). 2. More loosely, the throat. 'Cut his weasand with thy knife.' The Tempest…