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).
Lysosome
An organelle (a little organ) in a cell containing enzymes that degrade macromolecules (large molecules) and other items (such as bacteria) taken up by a cell during the process of endocytosis. In endocytosis, macromolecules and particles…
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Show more- GM2-gangliosidosis, B variant This disorder known as Tay-Sachs disease (TSD) is concisely defined by OMIM (Online Mendelian Inheritance in…
- Syndrome, Li-Fraumeni (LFS) This is an extraordinary cancer family syndrome. People with LFS have a tendency to develop a great diversity…
- Pound A measure of weight equal to 16 ounces or, metrically, 453.6 grams. The word 'pound' goes back to the Latin…
- Celiac disease Celiac disease: A disorder resulting from an immune reaction to gluten, a protein found in wheat and related…
- Paget disease A chronic bone disorder that typically results in enlarged, deformed bones due to excessive breakdown and…
- Recombination The trading of fragments of genetic material between chromosomes before the egg and sperm cells are created…
- Assay, NSE Neuron-specific enolase (NSE) is a substance that has been detected in patients with certain tumors, namely…
- Genitalia, ambiguous See: Ambiguous genitalia
- Sphingomyelin lipoidosis Also called Niemann-Pick disease, this is a disorder of the metabolism of a lipid (fat) called sphingomyelin…
- Callosity Synonymous with callus. Both callus and callosity are derived from the Latin callum meaning thick skin
- SJS Stevens-Johnson syndrome.
- Slow virus 1. A virus that has a long incubation period before the onset of a gradually progressive disease. 2…