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).
Moonflower
An hallucinogenic but poisonous plant known scientifically as Datura that has white flowers that bloom at night. Moonflowers contain scopolamine and hyoscyamine, both of which can cause anticholinergic poisoning. Symptoms occur typically…
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Show more- Non-inferior clinical trial A clinical trial that shows that a new treatment is equivalent to standard treatment. Also called a…
- BRCA2 A gene that normally acts to restrain the growth of cells in the breast and ovary but which, when mutated…
- Elective surgery Surgery that is subject to choice (election). The choice may be made by the patient or doctor. For example…
- CFTR Cystic fibrosis conductance regulator. Mutations in the gene for CFTR are responsible for cystic fibrosis…
- Headache, stress See headache, tension
- Lymph gland See Lymph node
- Blood, urinary Medically called hematuria, blood in the urine can be microscopic or gross. Evaluating hematuria requires…
- Lysosomal enzyme An enzyme in an organelle (a little organ) called the lysosome within the cell. Lysosomal enzymes degrade…
- Corneal dystrophy, lattice See: Lattice dystrophy
- Single transverse palmar crease Preferable term for what historically was called a simian crease. See: Simian crease
- Collateral knee ligament, medial The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Blot, Western A technique in molecular biology, used to separate and identify proteins. Called a Western blot merely…