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).
Alternative splicing
A mechanism by which different forms of mature mRNAs (messengers RNAs) are generated from the same gene. Alternative splicing is a regulatory mechanism by which variations in the incorporation of the exons, or coding regions, into mRNA…
Read the definitionRandom terms
Show more- Hepatic An artery that distributes blood to the liver, pancreas and gallbladder as well as to the stomach and…
- Code, emergency While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…
- Materterine See: Materteral
- Fibrosis, radiation Scarring of the lungs from radiation. Radiation fibrosis is a sequel of radiation pneumonitis (inflammation…
- Q arm of a chromosome The long arm of a chromosome. All human chromosomes have 2 arms -- a short arm and a long arm -- that are…
- HMPS Hereditary mixed polyposis syndrome
- Eye pressure test A standard eye test that determines the fluid pressure inside the eye. The test is called tonometry…
- MELD Acronym for Model End Stage Liver Disease. A disease severity scoring system for adults with liver disease…
- Blindness Loss of useful sight. Blindness can be temporary or permanent. Damage to any portion of the eye, the optic…
- Deformity, cauliflower-ear Deformity, cauliflower-ear: Destruction of the underlying cartilage framework of the outer ear (pinnae)…
- Guarding, abdominal Involuntary tensing of the abdominal wall muscles to guard inflamed organs within the abdomen from the pain…
- Sturge-Weber syndrome A congenital, but not inherited, disorder that affects the skin, the neurological system, and sometimes the…