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).
Metered dose inhaler
See: Metered-dose inhaler
Read the definitionRandom terms
Show more- Heart rehab See: Cardiac rehabilitation
- MCAD deficiency Deficiency of an enzyme that makes it impossible to digest certain kinds of fat. MCAD stands for medium-chain…
- Eicosanoid A lipid mediator of inflammation derived from the 20-carbon atom arachidonic acid (20 in Greek is 'eicosa')…
- Gamma-linolenic acid Abbreviated GLA. An essential polyunsaturated fatty acid contained in some plant seed oils including evening…
- Perfluorinated acid A type of chemical that repels water and oil and is resistant to heat and chemical stress. Perfluorooctanoic…
- Gland of internal secretion See: Endocrine gland
- Knock-knees An abnormal curve of the legs that causes the knees to touch or nearly touch while the feet are apart. The…
- Eosinophilic fasciitis (Shulman syndrome) A disease which leads to inflammation and thickening of the skin and fascia. (The fascia is a lining tissue…
- Y-linkage The presence of a gene on the Y chromosome. Y-linkage is analogous to X-linkage (the presence of a gene on…
- Nasal septum hematoma An accumulation of blood within the nasal septum, the wall inside the nose that runs down the middle dividing…
- DNA, mitochondrial Mitochondrial DNA (mtDNA) is the DNA of the mitochondrion, a structure situated in the cytoplasm of the cell…
- Defect, atrial septal (ASD) A hole in the septum, the wall, between the atria, the upper chambers of the heart. Commonly called an ASD…