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).
Polyphenol
A kind of chemical that (at least in theory) may protect against some common health problems and possibly certain effects of aging. Polyphenols act as antioxidants. They protect cells and body chemicals against damage caused by free…
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Show more- Nyctalopia Night blindness, impaired vision in dim light and in the dark, due to impaired function of certain…
- Prelingual Before the development of speech and language. 'She showed that in prelingually deaf people (that is, those…
- Syndrome, MELAS MELAS is the acronym for Mitochondrial Encephalopathy, Lactic Acidosis, and Stroke-like episodes. MELAS is a…
- DSM-IV The 4th edition of 'Diagnostic and Statistical Manual of Mental Disorders' (DSM) a comprehensive…
- IUD (intrauterine contraceptive device) A device inserted into the uterus (womb) to prevent conception (pregnancy). The IUD can be a coil, loop…
- Chloral hydrate A prescription sedative/hypnotic drug developed in the 19th century. The drug acts rapidly and induces sleep…
- Placenta, supernumerary A succenturiate or accessory placenta
- VCU Voiding cystourethrography. Or voiding cystourethrogram
- Respiratory therapist A person who has graduated from an approved respiratory therapist program and is qualified to provide…
- Muscular dystrophy, facioscapulohumeral A form of muscular dystrophy that begins before age 20 with slowly progressive weakness of the muscles of the…
- Implantation, seed Radiation treatment given by placing radioactive material contained within a small cylindrical shell directly…
- Counter, Geiger See: Geiger counter