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).
National Program of Cancer Registries
A program administered in the US by the Centers for Disease Control and Prevention (CDC) since 1994 that helps the states and US territories to improve their cancer registries; meet standards for data completeness; timeliness, and quality…
Read the definitionRandom terms
Show more- Bifid Cleft (split) in two. See, for example, bifid uvula
- Dengue Also known as Dengue fever, an acute mosquito-borne viral illness of sudden onset that usually follows a…
- Twin One of two children produced in the same pregnancy and born during the same birth process. Twins can develop…
- Gland, tarsal See: Meibomian gland
- Syncephaly Conjoined twins whose heads are joined together. From syn-, together + -cephaly, head = heads together. Also…
- GALT The enzyme (galactose-1-phosphate uridyl transferase) lack of which causes the genetic metabolic disease…
- Pulmonary tuberculosis See: Tuberculosis, pulmonary.
- Methadone A synthetic opiate. The most common medical use for methadone is as a legal substitute for heroin in…
- Hair, lanugal The downy hair on the body of the fetus and newborn baby. The lanugal hair (or lanugo) is the first hair to…
- Disease, Crohn A chronic inflammatory disease primarily involving the small and large intestine but which can affect other…
- Care proxy, health A health care proxy is one form of advance medical directive. Advance medical directives pertain to treatment…
- Transmission, vertical Transmission of a disease-causing agent (a pathogen) vertically from mother directly to baby during the…