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).
ARD
Acronym that stands for a disorder known as Adult Respiratory Distress or Acute Respiratory Distress. Also referred to as ARDS (ARD Syndrome). In ARD there is respiratory failure of sudden (acute) onset due to the rapid accumulation of…
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Show more- Nocturnal amblyopia Amblyopia refers to blindness so nocturnal amblyopia is, literally, night blindness. Listed in medical…
- Keratotomy A surgical incision (a cut) made into the cornea. A radial keratotomy is a surgical procedure designed to…
- Histoplasma See: Histoplasma.
- Spitz-Holter valve A pioneering one-way valve created by John Holter to treat hydrocephalus. In 1955 Mr. Holter, , a hydraulics…
- Motor In medicine, having to do with the movement of a part of the body. Something that produces motion or refers…
- Lung cancer, non-small cell Lung cancer, non-small cell: Cancer of the lung which is not of the small cell carcinoma (oat cell carcinoma)…
- Factitious disease by proxy See: Munchhausen syndrome by proxy
- Headache, thunderclap A sudden and excruciatingly painful headache. Some doctors feel that in the absence of a known headache…
- Homosexuality 1 Trisomy of the same chromosome. The occurrence of two children in the same family with trisomy 21 is an…
- Under the weather Colloquial expression for sick or ill as, for example, to be under the weather with the flu. The phrase…
- Retic count Short for reticulocyte count
- Cryoprotectant A chemical component of a freezing solution used in cryopreservation (the process of cooling and storing…