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).
RNA silencing
See: RNA inactivation; and RNA interference
Read the definitionRandom terms
Show more- High-grade lymphoma A lymphoma that grows and spreads quickly but has a better response to anticancer drugs than that seen with…
- Ventricle, cerebral One of a system of four communicating cavities within the brain that are continuous with the central canal of…
- Athetosis Involuntary writhing movements particularly of the arms and hands.
- Jawbone 1. As a noun, a bone of the jaw, particularly the mandible.2. As a verb, to try and influence with words…
- Hand, foot, and mouth disease A common illness of infants and children under 10 years old characterized by fever, sores in the mouth, and a…
- Hereditary prostate cancer Prostate cancer: A genetic form of prostate cancer. The risk of prostate cancer is clearly genetic. Men with…
- Stratum corneum The stratum corneum as a rule refers to the outermost layer of the epidermis, which is itself the outer layer…
- Twin One of two children produced in the same pregnancy and born during the same birth process. Twins can develop…
- ALS2 See: Amyotrophic lateral sclerosis 2
- CCR5 A chemokine receptor found on monocytes and lymphocytes that serves as the coreceptor for HIV. HIV strains…
- FLAP A gene that helps make a leukotriene, a signal that activates the white blood cells involved in inflammation…
- Vein, inferior vena cava A large vein that receives blood from the lower extremities, pelvis and abdomen and empties it into the right…