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).
Gain-of-function mutation
A mutation that confers new or enhanced activity on a protein. Loss-of-function mutations, which are more common, result in reduced or abolished protein function
Read the definitionRandom terms
Show more- Immunity, natural See: Innate immunity
- Hecht syndrome A striking genetic disorder in which abnormally short muscles in the jaw make it impossible to open the mouth…
- Jejunostomy A surgical operation to create an opening of the jejunum (a part of the (a part of the small intestine) to a…
- Bacteriaphobia An abnormal and persistent fear of germs. Sufferers from bacteriaphobia experience undue anxiety even though…
- Decompression 1. In general, the removal of pressure.2. In surgery, a procedure to remove pressure on a structure, as in…
- Minor anomaly An unusual anatomic feature that is of no serious medical or cosmetic consequence to the patient. A minor…
- Internal fixation A surgical procedure that stabilizes and joins the ends of fractured (broken) bones by mechanical devices…
- BDD Body dysmorphic disorder
- Typhus, urban. of Malaya Murine typhus, an acute infectious disease with fever, headache, and rash, all quite similar to, but milder…
- Phlebotomus fever See: Sandfly fever
- Drugs, teratogenic A teratogen is an agent that can disturb the development of the embryo or fetus. Teratogens halt the…
- GHB Known in Europe as Gamma-OH, this is gamma hydroxybutyrate, a colorless and odorless drug used illicitly for…