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).
Fetal fibronectin
A protein produced during pregnancy and the basis of a test for preterm delivery. Fetal fibronectin (fFN) functions as a 'glue' attaching the fetal sac to the uterine lining. The presence of fFN during weeks 22-34 of a high-risk pregnancy…
Read the definitionRandom terms
Show more- Developmental delay Behind schedule in reaching milestones of early childhood development.
- Metaphyseal chondrodysplasia (McKusick type) See: Cartilage hair hypoplasia syndrome
- Genital Pertaining to the external and internal organs of reproduction. (Not to be confused with genetic.)
- STL3 Stickler syndrome, type III. See: Stickler syndrome
- OxyContin OxyContin: A prescription painkiller that has become a popular and dangerous recreational drug. Also called…
- Ozone A form of oxygen that consists of three atoms of oxygen, in contrast to normal atmospheric oxygen which…
- HEOD The abbreviation for the scientific name of the insecticide dieldrin. (The scientific name for dieldrin…
- Association, VATER See: VATER association
- Care, ambulatory See: Ambulatory care
- Polymerase, RNA Enzyme that catalyzes (speeds) the polymerization of RNA. RNA polymerase uses preexisting nucleic acid…
- Radiopaque Anything that does not let X-rays or other types of radiation penetrate. Radiopaque objects block radiation…
- Antimony A silvery-white earth metal which at high levels can be toxic. Antimony occurs naturally in the earth…