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).
Chickenpox immunization
Immunization designed to prevent or lessen the severity of the common disease known as chickenpox. The vaccination currently involves only one shot, given at about one year of age. If an older person has not had chickenpox, the shot may be…
Read the definitionRandom terms
Show more- Prescription abbreviations A prescription, as is well known, is a physician's order for the preparation and administration of a drug or…
- Aneurysm, thoracic An aneurysm situated within the thorax (chest). See: Aneurysm, aortic. An aneurysm is a localized widening…
- Ventilation, mechanical Use of a machine called a ventilator or respirator to improve the exchange of air between the lungs and the…
- GOLD-3 One of the stages of chronic obstructive lung disease (COPD), according to the Global Initiative for Chronic…
- LVRS Lung volume reduction surgery. See: Lung reduction surgery
- Thrombocytopenic purpura, acute See thrombocythemia.
- Anergy A state of immune unresponsiveness. Induced when the T cell's antigen receptor is stimulated, effectively…
- Transvestite A person who dresses in the clothing of the opposite sex, i.e., a person who cross-dresses
- BSL-2 Biosafety level 2. A level of biosafety considered appropriate for agents that can cause human disease, but…
- NCI (National Cancer Institute) The National Cancer Institute is one of the National Institutes of Health (NIH) in the U.S. The mission of…
- Citrulline A non-standard amino acid that is not normally present in protein. Citrulline is created in the body as an…
- NEJM The New England Journal of Medicine