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).
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- Tendon The tissue by which a muscle attaches to bone. A tendon is somewhat flexible, but fibrous and tough. When a…
- VER Visual evoked response. A type of electrophysiologic retinal testing
- Radiation therapy, conformal A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…
- Fungal nail infection >People with diabetes; >People with disease of the small blood vessels (peripheral vascular disease); and…
- Morning sickness Nausea and vomiting of pregnancy. Morning sickness is a misnomer, because it can occur at any time of the day…
- Introitus In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the…
- Fear of heat Thermophobia. An abnormally excessive and persistent fear of heat, including hot weather and hot objects…
- Fracture Fracture: A break in bone or cartilage. Although usually the result of trauma, a fracture can be caused by an…
- Test, fecal occult blood Fecal occult blood: A test to check for hidden blood in the feces, the stool
- Psoriasis Psoriasis: A reddish, scaly rash often located over the surfaces of the elbows, knees, scalp, and around or…
- Exon The region of a gene that contains the code for producing protein. Each exon codes for a specific portion of…
- Cholesterol ester transfer protein A protein that helps regulate the size of cholesterol particles and influence the process of atherogenesis…