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).
Bipolar I disorder
Bipolar disorder in someone who has experienced depression and at least one episode of severe mania. Severe mania characteristically causes significant distress or greatly impairs one's work, family, or social life. Bipolar I disorder is…
Read the definitionRandom terms
Show more- Reflex, quadriceps See: Knee jerk
- Tuberculosis, drug-resistant Tuberculosis (TB) that does not respond to drug treatment. Drug-resistant TB has become a very serious…
- Brain stem The stemlike part of the brain that is connected to the spinal cord. Or conversely, the extension of the…
- Color, skin See: Skin color
- Disease, Huntington An hereditary disorder with mental and physical deterioration leading to death. Although characterized as an…
- Parenchyma The key elements of an organ essential to its functioning, as distinct from the capsule that encompasses it…
- Gastroschisis A birth defect in which there is a separation in the abdominal wall. Through this opening protrudes part of…
- Diplopia, monocular Double vision (diplopia) in only one eye. The double vision persists when the other eye is covered. Monocular…
- Tetralogy of Fallot A combination of four heart defects that are present together at birth, accounting for about 10% of all…
- Ophthalmoscope A lighted instrument, one of the most important tools of the physician, used to examine the interior of the…
- Primary progressive aphasia An atypical dementia characterized by a relentless dissolution of language with memory relatively preserved…
- NLD Necrobiosis lipoidica diabeticorum