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).
Imprinting, genomic
The phenomenon of parent-of-origin gene expression. The expression of a gene depends upon the parent who passed on the gene. For instance, two different disorders - Prader-Willi syndrome and Angelman syndrome -- are due to deletion of the…
Read the definitionRandom terms
Show more- Schonlein-Henoch purpura A form of blood vessel inflammation (vasculitis) that typically affects small arterial vessels (capillaries)…
- Lumen A luminous term referring to the channel within a tube such as a blood vessel or to the cavity within a…
- Colorectal polyp A polyp (a fleshy growth) on the inside lining of the colon or rectum. For more information, see: Colon polyp
- Gerstmann-Straussler-Scheinker syndrome See: Gerstmann-Straussler-Scheinker syndrome
- Macrocephaly, multiple lipomas, and hemangiomas Bannayan syndrome, a genetic disease characterized by macrocephaly (enlarged head), multiple lipomas (benign…
- OCP Obsessive-compulsive personality disorder.
- Disease, bipolar See: Bipolar disorder
- Representational oligonucleotide microarray The production of offspring. Reproduction need not be sexual. Yeast can reproduce by budding.
- Hematoma, intracranial A hematoma (a collection of blood) within the cranium (skull). The bleed may or may not be within the brain…
- Endocannabinoid A marijuana-like substance. 'Marijuana-like substances (endocannabinoids)... act at specific receptors on the…
- Hypodontia and nail dysgenesis A genetic disorder characterized by the absence of several teeth (hypodontia) and abnormalities of the nails…
- Phrenic pacing See: Diaphragm pacing