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).
Chronic illness
An illness that persists for a long period of time. The term 'chronic' comes from the Greek chronos, time and means lasting a long time. A chronic illness is one lasting 3 months or more, by the definition of the U.S. National Center for…
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Show more- Mucopolysaccharidosis type IIIB Sanfilippo syndrome due to deficiency of the enzyme alpha-N-acetylglucosaminidase. See also…
- Codon A set of any three adjacent bases in the DNA or RNA. There are 64 different codons of which 61 specify the…
- Lycopene Lyme disease is a bacterial illness caused by a bacterium called a "spirochete." Lyme disease is spread by…
- Uveitis Uveitis: Inflammation of the uvea, the part of the eye that collectively refers to the iris, the choroid of…
- Candidiasis, invasive See: Invasive candidiasis
- Primary progressive aphasia An atypical dementia characterized by a relentless dissolution of language with memory relatively preserved…
- Abused inhalant >Solvents > >Industrial or household solvents or solvent-containing products, including paint thinners or…
- Obesity-related disease Any disease for which obesity is a significant risk factor. Obesity increases the risk of developing a very…
- Aphrasia The inability to speak or understand phrases
- Family therapy A type of psychotherapy designed to identify family patterns that contribute to a behavior disorder or mental…
- DNA repair The body has a series of special enzymes to repair mutations (changes) in the DNA and restore the DNA to its…
- Medial The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…