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 polymerase
A polymerase is an enzyme that catalyzes the joining of many smaller molecules (called monomers) to form a big molecule (a macromolecule). RNA polymerase is a unique enzyme that makes (synthesizes) the macromolecule RNA using DNA as the…
Read the definitionRandom terms
Show more- Somatropin Growth hormone made by the pituitary gland or a synthetic version of that hormone. Naturally occurring…
- Prominentia laryngea The prominence of the larynx, more commonly known as the Adam's apple. This familiar feature in front of the…
- Phantom tooth Persistent pain in the area from which a tooth has been extracted. Phantom tooth pain may last for months and…
- David-Stickler syndrome See: Stickler syndrome
- Nyctalopia Night blindness, impaired vision in dim light and in the dark, due to impaired function of certain…
- Extracorporeal shockwave lithotripsy See: Extracorporeal shock wave lithotripsy
- Human kinome See Kinome
- Immunization, German measles Measles: See Immunization, MMR
- SV 40 See: SV40
- Hypnosis A part of healing from ancient times. The induction of trance states and the use of therapeutic suggestion…
- ACE2 (angiotensin converting enzyme 2) An essential regulator of heart function. Also may be involved in the embryonic development of the heart. The…
- Hansen bacillus Mycobacterium leprae, the agent of leprosy (Hansen disease)