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).
Premature ventricular contraction
PVC. A contraction of the lower chambers of the heart, the ventricles, which occur earlier than usual, because of abnormal electrical activity of the ventricles. The premature contraction is followed by a pause, as the heart electrical…
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- Technetium tetrofosmin scintimammography Scintimammography is an imaging technique that uses a radioisotope (a radioactive substance) to help…
- Gene expression The translation of information encoded in a gene into protein or RNA. Expressed genes include genes that are…
- Rash, vesicular A raised, blistery rash
- Hypnosis A part of healing from ancient times. The induction of trance states and the use of therapeutic suggestion…
- Pollex The thumb. Pollex is derived from the Latin pollere, to be strong, because in a contest of strength the thumb…
- ZNF9 A gene that encodes a protein called zinc finger protein 9. An inherited mutation in ZNF9 causes type 2…
- Butterbur A waterside plant with purple flowers and large soft leaves in which pats of butter were once wrapped during…
- Endochondral bone Any bone that develops in and replaces cartilage. The cartilage is partially or entirely destroyed by the…
- CMG2 Capillary morphogenesis gene 2, a transmembrane protein that is induced during capillary morphogenesis (the…
- Tardive dyskinesia A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…
- Sepsis, neonatal A serious blood bacterial infection in an infant less than 4 weeks of age. Babies with sepsis may be…