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).
Infection, rotavirus
Rotavirus: A leading cause of severe winter diarrhea in young children. Each year, rotavirus (RV) causes an estimated 500,000 doctor visits and 50,000 hospital admissions in the United States. Almost every child catches RV before entering…
Read the definitionRandom terms
Show more- Cold injury Cold injuries include chilblains, 'trench foot,' and frostbite. Cold injuries occur with and without freezing…
- Adventitious Coming from an external source or occurring in an unusual place or manner. Not inherent, inherited or innate…
- Virus, negative-strand RNA See: Negative-strand RNA virus
- Leukemia, acute myelogenous Leukemia, acute myelogenous: Abbreviated AML. Also called acute myeloid leukemia or acute nonlymphocytic…
- Mammogram, screening See: Screening mammogram
- Melanoma thickness A method for determining the prognosis (outlook) with melanoma. The thickness of a melanoma is related to the…
- Internal genitalia, female See: Female internal genitalia
- Ad lib Abbreviation for the Latin 'ad libitum' meaning 'at pleasure' and 'at one's pleasure, as much as one desires…
- Immunization, Td Td is the vaccine given to children over six and adults as boosters for immunity to diphtheria and tetanus
- Septal defect, atrial (ASD) A hole in the septum, the wall, between the atria, the upper chambers of the heart. Commonly called an ASD…
- Cirrhosis and gray matter degeneration Bral gray matter, Alpers: A progressive disease of the nervous system characterized by spasticity…
- Papilledema Swelling of the head of the optic nerve, a sign of increased intracranial pressure. The optic nerve head…