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).
Septum, interatrial
The wall separating the upper chambers (the atria) of the heart. A hole in the interatrial septum is termed an atrial septal defect (ASD)
Read the definitionRandom terms
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- Cholecystogram, oral See: Oral cholecystogram
- Bursitis, shoulder Inflammation of a bursa of a shoulder joint. A bursa is a fluid-filled sac that functions as a gliding…
- Pyrosis A technical term for what is popularly called heartburn, a burning sensation in the upper abdomen. In many…
- Lipitor See: Atorvastatin
- CpG In genetics, a site where cytosine (C) lies next to guanine (G) in the DNA sequence. (The p indicates that C…
- Vampire children Perjorative term for children with xeroderma pigmentosum, a genetic disease with such extraordinary…
- Macrophagic myofasciitis A muscle disease first identified in 1993, macrophagic myofasciitis is named for the findings seen in tissue…
- Endemic Present in a community at all times but in relatively low frequency. Something that is endemic is typically…
- Age of father See: Paternal age
- Vernix More formally known as vernix caseosa, the vernix is a white cheesy substance that covers and protects the…
- Urologist A physician who specializes in diseases of the urinary organs in females and the urinary tract and sex organs…