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).
Pain, belly
Pain in the abdomen. See: Abdominal pain
Read the definitionRandom terms
Show more- Adult acne Popular name for rosacea. For more information, see: Rosacea
- Flavin-containing monooxygenase-3 (FMO3) See Fish-odor syndrome
- Tube, tympanostomy A small plastic tube inserted into the eardrum to keep the middle ear aerated for a prolonged period of time…
- Abdominal guarding Tensing of the abdominal wall muscles to guard inflamed organs within the abdomen from the pain of pressure…
- Mathematics disorder A condition characterized by math skills that are significantly below normal, given the person's age…
- Over-the-counter (OTC) drug A drug for which a prescription is not needed
- T-cell receptor A device used by T cells for recognizing specific antigens. T cells have receptors that are activated…
- Case-to-infection proportion See: Case-to-infection ratio
- Two-animal rule A rule instituted by the US Food and Drug Administration (FDA) for the licensing of agents directed against…
- MS/MS Abbreviation for tandem mass spectrometry. See: Tandem mass spectrometry
- Hematoma An abnormal localized collection of blood in which the blood is usually clotted or partially clotted and is…
- Barium swallow An upper gastrointestinal series (barium swallow) is an X-ray test used to define the anatomy of the upper…