Herpetic gingivostomatitis

src: upload.wikimedia.org Gingivostomatitis (also known as primary herpetic gingivostomatitis or orolabial herpes) is a combination of ging...

Mouth ulcer

src: cdn1.medicalnewstoday.com A mouth ulcer is an ulcer that occurs on the mucous membrane of the oral cavity. Mouth ulcers are very c...

Cold case

src: fc06.deviantart.net A cold case is a crime or an accident that has not yet been fully solved and is not the subject of a recent crimin...

Common cold

src: ichef.bbci.co.uk The common cold , also known simply as a cold , is a viral infectious disease of the upper respiratory tract t...

Cold War

src: cdn.vox-cdn.com The Cold War was a state of geopolitical tension after World War II between powers in the Eastern Bloc (the So...