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).
Gy
Abbreviation for gray
Read the definitionRandom terms
Show more- Carotid stenosis Abnormal narrowing of the carotid artery, often a preamble to a stroke
- Coccyx bone The small tail-like bone at the bottom of the spine very near to the anus. The coccyx is made up of 3-5…
- Squamous cells Flat cells that look like fish scales. The word 'squamous' came from the Latin squama meaning 'the scale of a…
- FMRP As stated in the entry for FMR1, FMRP is an acronym composed of the first letters of Familial Mental…
- Hypoosmolarity In biochemistry, an abnormal decrease in the osmolarity of the body fluids
- Neuroepithelial Having to do with tissue made up of sensory cells that serve in the reception of external stimuli…
- Helix, alpha See: Alpha helix
- Beers criteria Criteria for safe medication use in older adults -- for people over 65 years of age. First issued in 1991…
- Sleep apnea Sleep apnea: The temporary stoppage of breathing during sleep, often resulting in daytime sleepiness. Apnea…
- Bloody nose The nose is a part of the body that is very rich in blood vessels (vascular) and is situated in a vulnerable…
- C. elegans genome All of the genetic information contained in the roundworm Caenorhabditis elegans (C. elegans). The genomes of…
- Nevus 1. Any birthmark.2. A benign pigmented spot on the skin such as a mole (a cluster of melanocytes and…