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).
Dysmorphology
Dysmorphology is a term coined by Dr. David W. Smith in the 1960's to describe the study of human congenital malformations (birth defects), particularly those affecting the morphology (the anatomy) of the individual. Dysmorphology…
Read the definitionRandom terms
Show more- SSPE Subacute sclerosing panencephalitis, a chronic brain disease of children and adolescents that occurs months…
- IU (international unit) An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used…
- Cholesterol, 'good' High-density lipoprotein (HDL) cholesterol
- Dancing mania of Maracaibo Huntington disease. Beginning in the 1950s Dr. Americo Negrette observed a number of people with a dancing…
- Medication, clot-dissolving See: Thrombolytic agent
- Rasmussen syndrome A brain disorder caused by inflammation of brain cells in one hemisphere. Its cause is unknown. Rasmussen…
- Cylindromatosis, familial See: Familial cylindromatosis
- Vertebra, second cervical The second cervical vertebra is called the axis. It is so-named because the uppermost cervical vertebra…
- Streptococcus haemolyticus Another name for streptococcus pyogenes
- Sore, canker Sore, canker: A small ulcer crater in the lining of the mouth that is often painful and very sensitive. Also…
- Malaria, falciparum The most dangerous type of malaria. Caused by the parasite Plasmodium falciparum, this type of malaria is…
- Breast milk Milk from the breast. Human milk contains a balance of nutrients that closely matches infant requirements for…