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).
Cortisol
The primary stress hormone. Cortisol is the major natural GLUCOCORTICOID (GC) in humans
Read the definitionRandom terms
Show more- Spider telangiectasia Spider veins.
- National Library of Medicine (NLM) The world's largest medical library, the U.S. National Library of Medicine (NLM) is part of the National…
- Tumescent liposuction The surgical suctioning of fat deposits from specific parts of the body, the most common being the abdomen…
- Eosinophilic meningitis Meningitis with a high percentage of eosinophils (a type of white blood cell) in the cerebrospinal fluid…
- Heart murmur An unusual heart sound which may be innocent or reflect disease.
- Menopause, natural Menopause, natural: Natural menopause occurs when the ovaries naturally decrease their production of the sex…
- Porencephaly A disorder of the central nervous system involving a cyst or cavity in a cerebral hemisphere of the brain…
- Nicotine Nicotine: An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produced synthetically…
- Metapneumovirus See: Human metapneumovirus
- Syndrome, Zellweger A genetic disorder, also called the cerebrohepatorenal syndrome, characterized by the reduction or absence of…
- DNA In the UK, DNA is an abbreviation for "did not attend." (In the US, the term used for a patient who missed an…
- Antioxidant Any substance that reduces oxidative damage (damage due to oxygen) such as that caused by free radicals. Free…