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).
Foot-and-mouth disease
A disease caused by a highly infectious virus that can infect people but affects them most by infecting livestock -- cattle, pigs, sheep and goats. The foot-and-mouth disease virus (FMDV) is in the same family of viruses as those causing…
Read the definitionRandom terms
Show more- Histiocytosis, sinus A variant of histiocytosis in which the lymph nodes are the main site of histiocyte proliferation. The…
- Complementary sequence Nucleic acid sequence of bases that can form a double- stranded structure by matching base pairs. For…
- Maimonides' prayer R of a Physician: A prayer that is said to have been written by the 12th-century physician-philosopher Moses…
- Lyonization The inactivation of an X chromosome. One of the two X chromosomes in every cell in a female is randomly…
- Landau-Kleffner syndrome Landau-Kleffner syndrome: A disorder with seizures starting in childhood in which the patient loses skills…
- Cancer causes A greater-than-expected number of cancer cases that occurs within a group of people in a geographic area over…
- Extrauterine pregnancy A pregnancy that is not in the usual place and is located outside the inner lining of the uterus. A…
- Antisepsis Prevention of infection by inhibiting or arresting the growth and multiplication of germs (infectious…
- Hypertrophic Exhibiting hypertrophy (enlargement or overgrowth of an organ or part of the body due to increased size of…
- Villi Plural of villus, a tiny finger-like or vascular projection
- Sac, pericardial See: Pericardial sac
- Metatarsals Five cylindrical bones extending from the heel (the tarsus) to the toes. The metatarsals are numbered from…