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).
DNA, repetitive
DNA sequences that are repeated in the genome. These sequences do not code for protein. One class termed highly repetitive DNA consists of short sequences, 5-100 nucleotides, repeated thousands of times in a single stretch and makes up…
Read the definitionRandom terms
Show more- Culdocentesis The puncture and aspiration (withdrawal) of fluid from the cul-de-sac, the rectouterine pouch (the pouch of…
- Ketone body A chemicals that the body makes when there is not enough insulin in the blood and it must break down fat…
- Visual field test Visual field test: A test which measures the extent and distribution of the field of vision. The visual field…
- Antisense DNA DNA normally has two strands, i.e., the sense strand and the antisense strand. In double-stranded DNA, only…
- ICU Intensive Care Unit.
- Chromatin remodelling See: Chromatin remodeling
- Drug-transporter gene See: Gene, transporter
- Microtia An abnormally small ear. The term 'microtia' usually refers to a congenitally small external ear. The visible…
- Microscope, simple A microscope that has a single converging lens (or a combination of lenses that function optically as a…
- Vincent angina This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Macular degeneration Macular degeneration: A disease that progressively destroys the macula, the central portion of the retina…
- Ileitis, terminal Crohn's disease, a chronic inflammatory disease of the intestine involving only the end of the small…