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).
Disease, acute respiratory
A sudden condition in which breathing is difficult and the oxygen levels in the blood abruptly drop lower than normal
Read the definitionRandom terms
Show more- Olivo- Pertaining to the olive, a structure in the brain
- Study, stomach emptying Also called a gastric emptying study, this test evaluates the emptying of food from the stomach. For a…
- Lindane An organochlorine pesticide and nerve poison. Also a suspected carcinogen (cancer-causing agent). Although…
- Fats Plural of the word 'fat'. See the definition of fat
- Oculocutaneous albinism See: Albinism, oculocutaneous
- HEV Hepatitis E virus
- Protein malnutrition Insufficient intake of nitrogen-containing food (protein) to maintain a nitrogen balance or nitrogen…
- Histamine Substance that plays a major role in many allergic reactions. Histamine dilates blood vessels and makes the…
- Pest (plague) An infectious disease due to a bacteria called Yersinia pestis. Y. pestis mainly infects rats and other…
- Vertebra, prominent The 7th cervical (neck) vertebra (C7) is sometimes called the prominent vertebra because of the length of its…
- Labia, oral The lips around the mouth. See lip.
- Demulcent Soothing. The word 'demulcent' comes from the Latin verb, 'demulcere' meaning 'to caress.' Something that is…