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).
Down syndrome features
Children with Down syndrome have multiple malformations and mental impairment due to the presence of extra material from chromosome 21. Among the more common physical features are hypotonia (floppiness), small head with brachycephaly…
Read the definitionRandom terms
Show more- Fusion inhibitor A class of antiretroviral drugs that work on the outside of the host CD4 cell to prevent HIV from fusing with…
- Contact eczema A localized reaction that includes redness, itching, and burning where the skin has come into contact with an…
- System, immune A complex system that is responsible for distinguishing us from everything foreign to us, and for protecting…
- Bergstrom, Sune K (1916-2004) Swedish physician and scientist who was awarded the Nobel prize for physiology or medicine in…
- TCM Traditional Chinese medicine
- RNA, transfer In cooperation with the ribosomes, transfer RNA brings (transfers) activated amino acids into position along…
- Arteriosclerotic aneurysm A localized widening (aneurysm) of a vessel that occurs because the vessel wall is weakened by…
- Ligate To tie or to tie off, as in to ligate an artery. From the Latin 'ligare' meaning 'to bind or tie.' Ligature…
- Acne, adult Popular name for rosacea. For more information, see: Rosacea
- Toddler A young child who is learning to walk with short unsteady steps. The word toddle is of unknown origin
- Membranous vitreous type Stickler syndrome Yndrome, type I. See: Stickler syndrome
- Hypomanic Affected by hypomania, a condition similar to mania but less severe. Hypomanic episodes may resemble manic…