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).
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- Intraventricular In the ventricle of the heart or brain.
- Charles Darwin See: Darwin, Charles
- Bovine Having to do with cows and cattle, as in bovine spongiform encephalopathy (mad cow disease), bovine…
- Hip fracture Broken bone in the hip, a key health problem among the elderly, usually due to a fall or other kind of trauma…
- LGV Lymphogranuloma venereum
- Immunoglobulin D Abbreviated IgD. A class of immunoglobulins found as antibodies on the surface of B cells (B lymphocytes)…
- Anencephaly A neural tube defect (NTD) that occurs when the cephalic (head) end of the neural tube fails to close…
- Cruciate ligament, posterior The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Shopaholic Someone obsessed with shopping. A compulsive shopper. From shop + -aholic, alteration of -oholic (as in…
- Gamma globulin A major class of immunoglobulins found in the blood, including many of the most common antibodies circulating…
- Phenomenon, phantom limb See Phantom limb syndrome
- Pollex The thumb. Pollex is derived from the Latin pollere, to be strong, because in a contest of strength the thumb…