Teimlad o anesmwythder ac anghysur yn y stumog gyda'r symbyliad i chwydu (neu gyfogi) yw cyfog. Mae cyfog yn symptom o nifer fawr o gyflyrau meddygol gan gynnwys enseffalitis, anaffylacsis, a salwch symud.
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.
