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).
AVM (arteriovenous malformation)
An arteriovenous malformation (AVM) is a congenital disorder (one present at birth) of blood vessels in the brain, brainstem, or spinal cord that is characterized by a complex, tangled web of abnormal arteries and veins connected by one or…
Read the definitionRandom terms
Show more- Cyst, synovial, of the popliteal space A swelling in the space behind the knee (the popliteal space). The swelling is composed of a membrane-lined…
- Three day fever See: Sandfly fever
- Subcu Abbreviation for subcutaneous. Subcutaneous means under the skin. It implies just under the skin. With a…
- Septicemia Systemic (bodywide) illness with toxicity due to invasion of the bloodstream by virulent bacteria coming from…
- Munchhausen syndrome (This is an alternate entry to Munchhausen syndrome. Münchhausen has an umlaut over the u but it is sometimes…
- FOBT Fecal occult blood test
- PXE See pseudoxanthoma elasticum
- Multiple lentigines syndrome See: LEOPARD syndrome
- Kernig sign A clinical hallmark of meningitis, inflammation of the meninges, the membranes covering the brain and spinal…
- Velocardiofacial syndrome A congenital malformation syndrome characterized by cleft palate, heart defects, abnormal facial structure…
- Tinnitus Tinnitus: 'Ringing in the ears' or another noise that seems to originate in the ears or head. Tinnitus is due…
- Peripheral insulin resistance Failure of target tissues to increase glucose disposal in response to insulin. See also: Insulin resistance