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).
Poison oak
Poison oak is a form of 'contact dermatitis' or inflammation of the skin resulting from chemicals produced from the poison oak plant contacting the skin. The chemicals cause an immune reaction producing redness, itching and blistering of…
Read the definitionRandom terms
Show more- CD95 See: FAS gene
- Sclerosing panencephalitis, subacute (SSPE) A chronic brain disease of children and adolescents that occurs months to often years after an attack of…
- Polydactyly More than the normal number of fingers or toes. From the Greek 'polys' (many) + 'dactylos' (finger) = many…
- Dysmorphophobia Excessive dislike of a part of ones body. See: Body dysmorphic disorder
- Rheumatologist, pediatric A physician who specializes in providing comprehensive care to children (as well as their families) with…
- Hemorrhage, subarachnoid Bleeding within the head into the space between two membranes that surround the brain. The bleeding is…
- Demyelination A degenerative process that erodes away the myelin sheath that normally protects nerve fibers. Demyelination…
- Papillary renal cell carcinoma A type of kidney cancer that accounts for 15 to 20% of renal carcinomas. It occurs in both sporadic and…
- Elastic fiber A slender fiber in connective tissue that is rich in the protein elastin and has an elastic quality
- Leukoreduction A process used to filter and remove white blood cells from whole blood before transfusion. The reason why…
- Endometriosis interna Also known as adenomyosis (pronounced ad-den-o-mi-o-sis), this is a common benign condition of the uterus in…
- Paleostriatum A pale-appearing spherical area in the brain. The paleostriatum is specifically part of what is called the…