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).
Syndrome, Conn
Overproduction of the hormone aldosterone (pronounced al-do-ster-one) by a tumor that contains tissue resembling that normally present in the outer portion (cortex) of the adrenal gland. The excess aldosterone results in a potassium level…
Read the definitionRandom terms
Show more- Spanish influenza See: Spanish flu
- Duodenal ulcer An ulcer (a hole in the lining) of the duodenum (the first portion of the small intestine). Ulcers can affect…
- Barrett's esophagus Ng=0 width='100%' border=0> ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%'…
- PARK9 Familial Parkinson disease type 9
- Parasitic Having to do with a parasite, as in a parasitic infection; or acting like a parasite by taking nourishment…
- Beta blocker A class of drugs that block beta-adrenergic substances such as adrenaline (epinephrine) in the 'sympathetic'…
- Tennis elbow A painful injury to the tendon that is attached to the outer part of the elbow due to repetitive twisting of…
- Immunization Vaccination. Immunizations work by stimulating the immune system, the natural disease-fighting system of the…
- Feedback Many biologic processes are controlled by feedback, just as the temperature in a home from a furnace is…
- Errors of metabolism, inborn Heritable (genetic) disorders of biochemistry. Examples of inborn errors of metabolism include albinism…
- Brain anthrax Anthrax infection of the central nervous system (the spinal cord and brain) and meninges (the membranes…
- Metered-dose inhaler Abbreviated MDI. A device that delivers a measured amount of medication as a mist the patient can inhale. A…