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).
Heart septum
The septum of the heart is the dividing wall between the right and left sides of the heart. That portion of the septum that separates the two upper chambers (the right and left atria) of the heart is termed the atrial (or interatrial)…
Read the definitionRandom terms
Show more- Vanishing twin A twin detected in early pregnancy that is miscarried, frequently by resorption, without clinical signs or…
- Chikungunya An urban disease resembling dengue fever, seen mainly in Africa, the Indian subcontinent, and Southeast Asia…
- Loss-of-function mutation A mutation that results in reduced or abolished protein function. Gain-of-function mutations,which are much…
- Panic disorder Panic disorder: A disorder characterized by sudden attacks of fear and panic. The episodes may resemble a…
- Environmental medicine The interactions between risk factors in the environment and human health. Environmental medicine focuses on…
- St. Louis encephalitis A disease caused by a virus (first observed in Illinois in 1932) transmitted from birds to the common Culex…
- MRCP Magnetic resonance cholangiopancreatography, an application of MRI (magnetic resonance imaging) to the…
- Antiphospholipid antibody syndrome Antiphospholipid antibody syndrome (APLS): An immune disorder characterized by the presence of abnormal…
- Moisturize To dampen; to replenish lost liquid; to add vapor; to humidify. 'Moisturize' usually suggests that the thing…
- Micturition syncope The temporary loss of consciousness upon urinating. (Syncope is the temporary loss of consciousness or, in…
- CM (coccidioidomycosis) A disease due to a fungus called Coccidioides immitis. About 40% of people infected with this fungus develop…
- Psychiatric Pertaining to or within the purview of psychiatry, the medical specialty concerned with the prevention…