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).
Conserved sequence
A base sequence in a DNA molecule (or an amino acid sequence in a protein) that has remained essentially unchanged, and so has been conserved, throughout evolution
Read the definitionRandom terms
Show more- Growth and differentiation factor 8 Also called myostatin. See: Myostatin
- Otitis media, acute See: Acute otitis media
- Ethmoid 1. As an adjective: spongy or sievelike. From the Greek ethmos, sieve + eidos, resemblance = like a sieve. 2…
- Syndrome, Munchhausen Syndrome, Munchhausen: Recurrent feigning of catastrophic illnesses. Munchhausen syndrome is a psychological…
- Torticollis, congenital A deformity of the neck that is evident at birth. It is due to shortening of the neck muscles. Congenital…
- Lipitor See: Atorvastatin
- Shock, toxic See Syndrome, toxic shock.
- Potassium The major positive ion (cation) found inside of cells. The chemical notation for potassium is K+. The proper…
- Aortitis Inflammation of the aorta. The causes of aortitis include syphilis or rheumatic fever
- Hard measles An acute highly contagious viral disease with fever, runny nose, cough, red eyes, and a spreading skin rash…
- Major A major may be an officer in the military but, in a larger sense, it can be anything that is more than…
- Vaccination, polio The vaccines available for vaccination against polio are OPV (Oral Polio Vaccine) and IPV (Inactivated Polio…