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).
Second wave
A phenomenon of infections that can develop during a pandemic. The disease infects one group of people first. Infections appear to decrease. And then, infections increase in a different part of the population, resulting in a second wave of…
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Show more- Giardia A genus of protozoa that infect the gastrointestinal tract of some animals, including humans. Giardia have a…
- Computerized axial tomography scan Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- ABR (auditory brainstem response) Abbreviation for auditory brainstem response. See: ABR test
- Septum, atrial The wall between the two upper chambers (the right and left atrium) of the heart
- Under the weather Colloquial expression for sick or ill as, for example, to be under the weather with the flu. The phrase…
- Viable Capable of life. For example, a viable premature baby is one who is able to survive outside the womb.
- Syndrome, trisomy 18 There are three instead of the normal two chromosomes #18. Children with this condition have multiple…
- Tiredness See: Tired
- Map-dot-fingerprint type corneal dystrophy A disorder in which the cornea (the normally clear front window of the eye) shows geographic map-like lines…
- Syndrome, fragile X The most common heritable form of mental retardation, occurring in about one in two thousand males and a…
- Polymerase, RNA Enzyme that catalyzes (speeds) the polymerization of RNA. RNA polymerase uses preexisting nucleic acid…
- VWM Leukoencephalopathy with vanishing white matter, an inherited brain disease that occurs mainly in children…