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).
Ubiquitous
Present everywhere. The small protein called ubiquitin was so-named because it is present in all types of cells and its amino acid sequence is identical in all creatures from insects to humans
Read the definitionRandom terms
Show more- Roentgen ray Term coined around 1890 that preceded X-ray and is now synonymous with it. Named for Wilhelm Roentgen, a…
- Posterior cruciate ligament (PCL) The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Syndrome, Meniere A condition with recurrent vertigo accompanied by ringing in the ears (tinnitus) and deafness. Symptoms…
- Hepatosplenomegaly Enlargement of the liver and spleen. The word 'hepatosplenomegaly' is compounded from Greek roots: 'hepato-'…
- STS Commonly used abbreviation for 'sequence tagged site.' A short (200 to 500 base pair) DNA sequence that…
- Pork tapeworm Taenia solium
- Floater A blurry spot that seems to drift in front of the eyes but does not block vision. The blur is the result of…
- Peeling agent An agent that promotes the softening and shedding of the horny outer layer of the skin. Also called a…
- Cryptosporidiosis An intestinal infection characterized by diarrhea caused by a microscopic parasite, Cryptosporidium parvum…
- Micturate To urinate. The verb 'micturate' (like the noun 'micturation') comes from the Latin 'micturire' meaning 'to…
- Otopharyngeal tube The tube that runs from the middle ear to the pharynx, known also as the Eustachian tube. The function of…
- Contraindication >An absolute contraindication is a situation which makes a particular treatment or procedure absolutely…