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).
Virus, respiratory syncytial
A virus that can grow in the cells of a species foreign to the normal host species, a species different from that which normally hosts it. Xeno- means foreign while -tropic refers to growth. So xeno- + -tropic = capable of growing in a…
Read the definitionRandom terms
Show more- Syndrome, trisomy 18 There are three instead of the normal two chromosomes #18. Children with this condition have multiple…
- C. perfringens See: Clostridium perfringens
- Drug, antithyroid A drug directed against the thyroid gland. The antithyroid drugs include carbimazole, methimazole, and…
- Nearsightedness The ability to see near objects more clearly than distant objects. Also called myopia . Myopia can be caused…
- Camelpox A severe disease of camels in northern Africa and southwestern Asia caused by the camelpox virus. This virus…
- Shock, anaphylactic A life-threatening allergic reaction characterized by a swelling of body tissues including the throat…
- Flood warning A flood watch or warning. The steps to take in case a flood watch or warning has been issued include the…
- Aortic atresia Congenital absence of the normal valvular opening from the left ventricle of the heart into the aorta…
- Vein, pulmonary One of four vessels that carry aerated blood from the lungs to the left atrium of the heart. (The four are…
- Daw Abbreviation meaning 'dispense as written.' One of a number of hallowed abbreviations of terms that have…
- Single nucleotide polymorphism A change in which a single base in the DNA differs from the usual base at that position. Abbreviated SNP and…
- GPO GPO stands for various things (such as the Government Printing Office) but in a healthcare context (and many…