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).
Allergy
Allergy: A misguided reaction to foreign substances by the immune system, the body system of defense against foreign invaders, particularly pathogens (the agents of infection). The allergic reaction is misguided in that these foreign…
Read the definitionRandom terms
Show more- Brain cancer Brain cancer: Cancer of the central information processing center of the body. Tumors in the brain can be…
- Mollaret meningitis Benign recurrent aseptic meningitis. The cause of Mollaret meningitis is not known. Mollaret meningitis is…
- ABG (arterial blood gas) The sampling of the blood levels of oxygen and carbon dioxide within the arteries, as opposed to the levels…
- Douche A stream of water directed at any part of the body or any body cavity, often into the vagina, for cleansing…
- Adenomyomata Plural form of adenomyoma
- Bone, zygomatic The bone that forms the prominence of the cheek. The zygomatic bone is also known as the zygoma, the…
- Centimorgan (cM) A unit of measure of genetic recombination frequency. One cM is equal to a 1% chance that a marker at one…
- Care, ambulatory See: Ambulatory care
- Medicine, geriatric The branch of medicine concerned with the diagnosis, treatment and prevention of disease in older people and…
- Octogenarian Someone in his or her eighties, that is, between 80 and 89 years of age. See also: Age by decade
- Allogeneic graft See: Allograft
- Absolute neutrophil count The real number of white blood cells (WBCs) that are neutrophils. The absolute neutrophil count is commonly…