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).
Silver bullet
Or magic bullet. 1. The perfect drug to cure a disease with no danger of side effects. The term magic bullet was first used in this sense by the German scientist Paul Ehrlich to describe antibody and, later, the drug salvarsan that he…
Read the definitionRandom terms
Show more- Amino acid, essential An amino acid that cannot be made by humans and so is essential to the human diet. There are 9 essential…
- Rib, cervical A extra rib which arises from the seventh cervical vertebra. It is located above the normal first rib. A…
- Iliopsoas muscle The upper part of the bony pelvis which forms the receptacle for the head of the femur at the hip joint. The…
- Quinacrine An antimalarial drug and, in cytogenetics, a fluorescent dye used to stain chromosomes. The Y chromosome…
- Cholecystogram, oral See: Oral cholecystogram
- Ph.D. Doctor of Philosophy. (From the New Latin, philosophiae doctor). Ph.D.'s are involved in clinical care (as in…
- Nucleotide >A nitrogenous base (A, G, T, or C in DNA; A, G, U, or C in RNA), >A phosphate molecule, and >A sugar…
- Ligate To tie or to tie off, as in to ligate an artery. From the Latin 'ligare' meaning 'to bind or tie.' Ligature…
- Hyperosmolarity In biochemistry, an osmolar concentration of the body fluids that is abnormally increased
- Dilator A device used to stretch or enlarge an opening. Patients with scarring of the muscular tube through which…
- Stroke volume The amount of blood pumped by the left ventricle of the heart in one contraction. The stroke volume is not…
- Lung volume reduction surgery See: Lung reduction surgery