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).
Vitrectomy
Removal of the gel (called the vitreous) from within the eyeball. This may be done because it has blood and scar tissue in it that blocks sight. An eye surgeon then replaces the clouded gel with a clear fluid
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Show more- Coronary artery bypass graft Coronary artery bypass graft: Abbreviated CABG. A form of bypass surgery that can create new routes around…
- Nucleotide >A nitrogenous base (A, G, T, or C in DNA; A, G, U, or C in RNA), >A phosphate molecule, and >A sugar…
- Othello psychosis See: Othello syndrome
- Appendix epiploica A finger-like projection of fat attached to the colon.
- Guthrie test A simple screening blood test for phenylketonuria (PKU). The Guthrie test was the original impetus to newborn…
- Antisocial personality See: Antisocial personality disorder
- Neuron A nerve cell that sends and receives electrical signals over long distances within the body. A neuron may…
- BLAST Abbreviation for Basic Local Alignment Search Tool, a computer program that identifies homologous genes in…
- Tuberculosis vaccination A vaccination for tuberculosis (TB). The vaccine, known as BCG (bacille Calmette Guerin), is used in most…
- UROD deficiency Lack of the enzyme uroporphyrinogen decarboxylase (UROD) which is the basic cause of porphyria cutanea tarda…
- Alice Stewart See: Stewart, Alice
- Cystic acne Acne: This is a type of localized infection (abscess) formed when oil ducts become clogged and infected…