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).
Heartburn
An uncomfortable feeling of burning and warmth occurring in waves rising up behind the breastbone (sternum) toward the neck. It is usually due to gastroesophageal reflux disease (GERD), the rise of stomach acid back up into the esophagus…
Read the definitionRandom terms
Show more- False vocal fold See: False vocal cord
- Ophthalmic artery The ophthalmic artery supplies blood to the eye and adjacent structures of the face. It arises from the…
- Disease, congenital heart A malformation of the heart or the large blood vessels near the heart. The term 'congenital' speaks only to…
- Premalignant Pertaining to tissue that is not yet malignant, but is poised to become malignant. Appropriate clinical and…
- Mouse, deer See: Deer mouse
- Dyspareunia The medical term for pain during sexual intercourse.
- Blepharospasm Involuntary forcible closure of the eyelids. The first symptom may be uncontrollable blinking. Only one eye…
- Tick, American dog See American dog tick
- Staphylococcal infection Infection with one of the Staphylococcal bacteria. Staph infection can cause pus-filled abscesses on the skin…
- SPECT scan Single Photon Emission Computed Tomography, a nuclear medicine procedure in which a gamma camera rotates…
- Adenosine deaminase (ADA) deficiency A genetic (inherited) condition that results in a immune deficiency disorder called severe combined…
- Stress echocardiography Stress echocardiography: A supplement to the routine exercise cardiac stress test. During stress…