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).
Human papillomavirus
One in a group of four RNA viruses that rank second only to respiratory syncytial virus (RSV) as a common cause of lower respiratory tract disease in young children. Like RSV, human parainfluenza viruses (HPIVs) can cause repeated…
Read the definitionRandom terms
Show more- Mortality, infant The death of an infant before his or her first birthday. The infant mortality rate is, by definition, the…
- Shin bone fever Fever: Called shin bone fever because it characteristically causes fever and pain in the legs, this disease…
- Biochemical aspirin resistance The inability of aspirin to produce an anticipated effect on one or more tests of platelet function, such as…
- Gene family A group of genes related in structure and often in function. The genes belonging to a gene family are…
- Meckel's diverticulum An outpouching from the small intestine, due to failure of obliteration of the yolk stalk (which normally…
- Tympany A hollow drum-like sound produced when a gas-containing cavity is tapped sharply. Tympany is heard if the…
- Janus kinase 3 See: JAK3
- Char syndrome A genetic disorder characterized by patent ductus arteriosis and unusual facial features including a long…
- Autologous In blood transfusion and transplantation, a situation in which the donor and recipient are the same person…
- Infantile spasms A seizure disorder of infancy and early childhood with the onset predominantly in the first year of life of…
- Alpha interferon A protein produced by the body in response to an infection. There are 3 major classes of interferon -- alpha…
- Disorder, specific developmental A disorder that selectively affects one area of development, sparing essentially all other areas of…