MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Genotoxin
A poisonous substance which damages DNA. A genotoxin can cause mutations in DNA (and so be a mutagen), it can trigger cancer (and so be a carcinogen), or it can cause a birth defect (and so be a teratogen). From geno- (genetic) + toxin…
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Show more- Radio frequency identification (RFID) A system for remotely storing and retrieving data. An RFID tag may be a little sticker that can be…
- Port wine stain A mark on the skin that resembles port wine (porto) in its rich ruby red color. Due to an abnormal…
- Colporrhaphy Surgical repair of the vagina. The -rrhaphy part of the word comes from the Greek raphe meaning suture
- Red eye Also called conjunctivitis. Redness or irritation of the conjunctivae, the membranes on the inner part of the…
- Xerophthalmia Dry eyes. Xerophthalmia can be associated with systemic diseases such as Sjogren' s syndrome, systemic lupus…
- Vision, macular The macula is a special area in the center of the retina, the light-sensitive layer of tissue at the back of…
- Wry neck Medically called spasmodic torticollis, or torticollis. The most common of the focal dystonias. In…
- Scan, computerized tomography Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- Fibula The lateral (outside) and smaller of the two long bones in the lower leg between the knee and ankle. (The…
- Photocoagulation The coagulation (clotting) of tissue using a laser which produces light in the visible green wavelength that…
- Bougienage A procedure involving the use of a bougie. A bougie is a thin cylinder of rubber, plastic, metal or another…
- Deafness-ichthyosis-keratitis syndrome See Keratitis-ichthyosis-deafness syndrome