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).
Creutzfeldt-Jakob disease (CJD)
Spontaneous tearing in parallel with the normal salivation of eating. The crocodile tears syndrome occurs most often following facial paralysis when nerve fibers destined for a salivary gland are damaged and by mistake regrow into a tear…
Read the definitionRandom terms
Show more- MPO Myeloperoxidase
- Septum, ventricular The wall between the two lower chambers (the right and left ventricles) of the heart
- Brace, Milwaukee One of the two main types of braces used to treat the lateral curve of the spine in scoliosis. This brace can…
- Melanoma, superficial spreading One of the four clinical types of malignant melanoma, the most common type in whites, typically presents as a…
- Motor neuron A neuron that sends electrical output signals to muscle neurons. Also called a motoneuron
- Medical school, first American See: First American medical school
- Snoring Snoring: A rough rattling noise made on inspiration during sleep by vibration of the soft palate (the back of…
- Humidifier Anything, usually a machine today, that adds moisture to the air
- LCL (lateral collateral ligament) of the knee The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Maternal serum alpha-fetoprotein (MSAFP) The presence of AFP, a plasma protein normally produced by the fetus, in the mother's blood. MSAFP serves as…
- Cholecalciferol Vitamin D3
- Psychopathic personality disorder See: Antisocial personality disorder