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.
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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).
Anxiety disorder
A chronic condition characterized by an excessive and persistent sense of apprehension with physical symptoms such as sweating, palpitations, and feelings of stress. Anxiety disorders have biological and environmental causes. Anxiety…
Read the definitionRandom terms
Show more- Congenital cervicothoracic vertebrae synostosis See: Klippel-Feil sequence
- Marker, blood A sign of a disease or condition that can be isolated from a blood sample. For example, the monoclonal…
- Leucovorin Folinic acid, the active form of folic acid in the body. Used as an antidote to protect normal cells from…
- Syndrome, Behcet's See: Behcet's syndrome
- Atrium One of the two smaller chambers of the heart. Each atrium consists of an open space with recessed walls. The…
- Epidemiologist A person engaged in epidemiology (not confined to epidemics). Epidemiologists include people with an M.D…
- Osmole In biochemistry, the amount of a substance that dissociates in solution to form one mole of osmotically…
- Panencephalitis, subacute sclerosing (SSPE) A chronic brain disease of children and adolescents that occurs months to often years after an attack of…
- Irrigation of the colon The use of liquid solutions given by enema to remove material from the rectum or colon, ostensibly to…
- Amplification, DNA The production of multiple copies of a sequence of DNA. Repeated copying of a piece of DNA. DNA amplification…
- Samaritan See Good Samaritan
- Forget me Street term for Rohypnol