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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
ZNF9
A gene that encodes a protein called zinc finger protein 9. An inherited mutation in ZNF9 causes type 2 myotonic dystrophy. One region of the ZNF9 gene has a particular 4-base-pair sequence, CCTG, that is normally repeated a few times…
Read the definitionRandom terms
Show more- Transmission, perinatal Transmission of a disease-causing agent (a pathogen) from mother to baby during the perinatal period, the…
- Burn, third degree A burn in which the damage has progressed to the point of skin death. The skin is white and without sensation
- Trichuriasis Infection with the human whipworm, a nematode (roundworm) formally known as Trichuris trichiura. The third…
- Amnioreduction The removal of large volumes of amniotic fluid by amniocentesis
- Statutory rape A legal term describing sexual intercourse between an adult and a minor. The adult can be found guilty of…
- Macular pucker Scar tissue in the macula, the area of the retina responsible for sharp central vision. The scar can blur and…
- Journals, medical In 1665 the Royal Society in England published one of the first 2 scientific journals in the world: the…
- Acute tubular necrosis A severe form of acute renal failure that develops in people with severe illnesses (such as sepsis) or with…
- Obstruction, intestinal See: Intestinal obstruction
- Cilia The fine hairlike projections from certain cells such as those in the respiratory tract that sweep in unison…
- Myostatin A growth factor that regulates the size of muscles beginning in early embryonic development and continuing…
- Ventricle, left The ventricles are the two lower chambers of the heart. The left ventricle is the chamber that receives blood…