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).
Loss-of-function mutation
A mutation that results in reduced or abolished protein function. Gain-of-function mutations,which are much less common, confer an abnormal activity on a protein
Read the definitionRandom terms
Show more- Ear piercing The practice of using a needle or needle gun to make holes through the ear lobe or other parts of the ear for…
- Hyperchloremia Elevated blood levels of chloride. Chloride is the major anion found in the fluid outside of cells and in…
- Adipose most abundant gene transcript 1 Abbreviated APM1. The APM1 gene encodes the hormone adiponectin
- Albino A person with albinism. The term was first applied by the Portuguese to people in West Africa who may have…
- Adhesion The union of two opposing tissue surfaces (often in reference to the sides of a wound). Also refers to scar…
- Thalassiosira pseudonana An ocean diatom that is a major participant in the biological pumping of carbon to ocean depths and that has…
- Fear of sharks Excessive and persistent fear of sharks is termed galeophobia. Sufferers from this phobia experience anxiety…
- Film, lateral An X-ray picture taken from the side
- Ankle The ankle joint is complex. It is made up of two joints: the true ankle joint and the subtalar joint: > >The…
- Western medicine Conventional medicine, as distinct for instance from traditional Chinese medicine
- Mutation, private A rare mutation found usually only in a single family or a small population. (It is like a privately printed…
- Recessive, X-linked A gene on the X chromosome that expresses itself only when there is no different gene present at that locus…