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).
Acid, fatty
One of many molecules that are long chains of lipid-carboxylic acid found in fats and oils and in cell membranes as a component of phospholipids and glycolipids. (Carboxylic acid is an organic acid containing the functional group -COOH.)…
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Show more- Nutrigenomics The study of how different foods may interact with specific genes to increase the risk of common chronic…
- Neonate A newborn baby.
- Hallucinogen A drug that causes hallucinations (profound distortions in a person's perceptions of reality). Under the…
- Drug, sulfa One of the sulfonamides, the sulfa-related antibiotics which are used to treat bacterial and some fungal…
- Histiocytosis X Now called Langerhans cell histiocytosis. This disease is subclassified into eosinophilic granuloma, Letterer…
- Septum A word borrowed from the Latin 'saeptum' meaning a 'dividing wall or enclosure.
- Lentigo maligna melanoma See: Melanoma, lentigo maligna
- Bone, ethmoid See: Ethmoid bone
- Rale A type of abnormal lung sound heard through a stethoscope. Rales may be sibilant (whistling), dry (crackling)…
- Fluctuating rib One of the last two ribs. A rib is said to be 'fluctuating' if it does not attach to the sternum (the breast…
- Chromosome, X See: Chronic myelogenous leukemia.
- Colonic (noun) Colonic irrigation, the infusion of liquid into the colon through a tube in the rectum. It is claimed that…