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).
Regulatory sequence
A sequence of bases in DNA that controls gene expression
Read the definitionRandom terms
Show more- Hydrocarbon An organic compound composed exclusively of hydrogen and carbon. All hydrocarbons have a carbon backbone with…
- Abiological See: Abiotic
- Polyostotic fibrous dysplasia A mass of tissue that develops on the inside wall of a hollow organ, as within the colon or rectum. The word…
- Radioactive tracer A radioactive molecule that can be sent through the body's circulatory or urinary system, with its progress…
- Macular degeneration Macular degeneration: A disease that progressively destroys the macula, the central portion of the retina…
- Human growth See: Normal growth
- Autism G=4 cel ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our Autism Main…
- Steroid A general class of chemical substances that are structurally related to one another and share the same…
- Addisonian anemia Anemia: A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not produce the…
- Thyroiditis, Hashimoto See: Hashimoto thyroiditis
- Gallbladder agenesis This is a condition in which the gallbladder fails to develop. This happens in approximately one out of every…
- Hemostasis The stoppage of bleeding or hemorrhage. Also, the stoppage of blood flow through a blood vessel or organ of…