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- SV 40 See: SV40
- Hypo- Prefix meaning 'low, under, beneath, down, below normal' as in hypocalcemia (low calcium in the blood)…
- Trichloroethylene A possible carcinogenic (cancer-causing) compound used mainly as a degreaser for metal parts…
- Disease, hemolytic, of the newborn Abnormal breakup of red blood cells in the fetus or newborn.
- Blue cohosh (Caulophyllum thalictroides). A tall North American perennial plant with large blue berries. Blue cohosh is…
- Nephron A key unit, both anatomically and functionally, of the kidney.
- Plasma donation The donation of sale of blood plasma for use in medical or other products. Unlike blood donors, most plasma…
- Syndrome, hand-foot-and-mouth A clinical pattern consisting of a rash on the hands and feet and in the mouth due to a viral infection. The…
- Plantar warts Warts: Warts that grow on the soles of the feet. Plantar warts are different from most other warts. They tend…
- Internist A physician who specializes in the diagnosis and medical treatment of adults. This specialty, called internal…
- Disease, Fahr This syndrome described in 1930 by T. Fahr is a genetic (inherited) neurological disorder characterized by…
- Resuscitation The procedure of restoring to life, as in cardiopulmonary resuscitation (CPR)