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).
Stomach cancer
Stomach cancer: Cancer of the stomach, the main organ that holds food for digestion. Worldwide, stomach cancer is the second most frequent cancer and the second leading cause of death from cancer. It can develop in any part of the stomach…
Read the definitionRandom terms
Show more- Yellow fever vaccination A live attenuated (weakened) viral vaccine that is recommended for people traveling to or living in tropical…
- Error, alpha The statistical error (said to be 'of the first kind' or type I) made in testing an hypothesis when it is…
- Breast abscess A local accumulation of pus within the breast due to infection. Symptoms may include painful local swelling…
- Hypoxia A subnormal concentration of oxygen. By contrast with normoxia (normal oxygen) and anoxia (the absence or…
- Papilla, fungiform The fungiform papillae are broad flat structures that house taste buds in the central portion of the dorsum…
- Blood clots, estrogen-associated >esterified estrogens >esterified estrogens and methyltestosterone >estradiol >estrogens (conjugated) and…
- Thrombinogen Better known today as prothrombin, a coagulation (clotting) factor needed for the normal clotting of blood…
- Interatrial septum The partition separating the upper chambers (the atria) of the heart
- EECP See: Enhanced external counterpulsation
- Discordant couple A pair of long-term sexual partners in which one has a sexually transmitted infection and the other does not…
- Enteropathy, protein-losing See: Protein-losing enteropathy
- Gene The basic biological unit of heredity. A segment of deoxyribonucleic acid (DNA) needed to contribute to a…