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).
Exonuclease
An enzyme that cleaves nucleotide bases sequentially from the free ends of a nucleic acid (DNA or RNA)
Read the definitionRandom terms
Show more- Syndrome, Rett See: Rett syndrome
- Atresia, anal Congenital absence of an opening at the bottom end of the intestinal tract. Also called imperforate anus…
- Deafness, congenital Deafness, congenital: Loss of hearing present at birth. Congenital deafness contrasts to acquired deafness…
- Crime scene investigation The use of physical evidence at the scene of the crime and the use of deductive and inductive reasoning to…
- DOB Abbreviation standing for the date of birth. As examples, 'DOB: 10/12/97' in the U.S. indicates the date of…
- Surveillance of disease See: Disease surveillance
- Alopecia universalis Absence of all of the hair, not only on the scalp, but also on the entire body. Affected individuals are born…
- Stasis dermatitis A skin irritation on the lower legs generally related to circulatory problems. Stasis refers to a stoppage or…
- Dysplasia, arteriohepatic Also known as Alagille syndrome, this ia a genetic disorder characterized by jaundice in the newborn period…
- Referred pain Pain felt at a site other than where the cause is situated. An example is the pain from the pancreas, which…
- Hg Symbol for the metallic element mercury. The abbreviation 'mm Hg' means millimeters of mercury, the height of…
- Melomania A singular passion for music that is beyond all reason. From the French melomanie, from the Latin melos, song…