MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Hypocapnia
Less than the normal level of carbon dioxide in the blood. Hypoapnia is the opposite of hypercapnia. The origin of the suffix '-capnia' is curious. It comes from the Greek 'kapnos' referring to carbon dioxide which is a principal part of…
Read the definitionRandom terms
Show more- Cancer, adult primary liver A tumor in which the cancer starts during adulthood in cells in the liver. Also called hepatocellular…
- Exogenous DNA DNA originating outside an organism
- Disease, acute respiratory A sudden condition in which breathing is difficult and the oxygen levels in the blood abruptly drop lower…
- Phage Short for bacteriophage, a virus that lives within a bacteria. A virus for which the natural host is a…
- Kubler-Ross See: Kübler-Ross, Elisabeth
- Polio vaccine, Salk See polio vaccine, inactivated
- Fever, jail See: Typhus, epidemic
- Arteriovenous malformation (AVM) A serious disease characterized by inflammation of the walls of the blood vessels (vasculitis). The vessels…
- Blood sugar, low The sugar here is glucose. Low blood glucose constitutes hypoglycemia. Hypoglycemia is only significant when…
- Moisturize To dampen; to replenish lost liquid; to add vapor; to humidify. 'Moisturize' usually suggests that the thing…
- Placebo response A positive medical response to taking a placebo, a sham medication as if it were an active medication. Up to…
- Vitamin D requirement The amount of vitamin D recommended per day, which varies according to the age of the individual…