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).
Tomograph
The apparatus for generating a tomogram, a two-dimensional image of a slice or section through a three-dimensional object. The tomograph achieves this remarkable feat by simply moving an x-ray source in one direction as the x-ray film is…
Read the definitionRandom terms
Show more- Penetrant trait A genetic trait (characteristic) that is present in the genome and manifests itself in the individual. By…
- System, parasympathetic nervous A part of nervous system that slows the heart rate, increases intestinal and gland activity, and relaxes…
- Y-linked inheritance Inheritance of genes on the Y chromosome. Since only males normally have a Y chromosome, Y-linked genes can…
- Coffin-Lowry syndrome An X-linked form of mental retardation in which the affected males have short stature and characteristic…
- RNA inactivation A technique for inactivating genes in a cell through the introduction of double-stranded RNA into the cell…
- Interstitial Pertaining to being between things, especially between things that are normally closely spaced. The word…
- Atrial Pertaining to the atria, the upper chambers of the heart, as in atrial fibrillation and atrial septal defect
- Tablet splitting The practice of cutting tablets in half. The reason is usually financial. To reduce costs, a physician may…
- Thyroiditis, subacute Subacute Thyroiditis is an inflammation of the thyroid gland after a viral illness. NTER>
- Ants, fire Originally from S. America. Among the worst insect pests ever to invade the U.S. Red or yellowish ants of…
- Attenuated FAP Attenuated familial adenomatous polyposis
- Channel, ion See: Ion channel