The surname Nguyen is believed to have originated in the Chinese surname Ruan (in the Mandarin language) or Yuen (Cantonese), owing to Chinaâs long domination over Vietnam.
Tinea nigra is a fungal infection that is mainly seen on the palms of the hands or soles of the feet causing a dark brown to black discoloration of the affected skin. The word tinea means a fungal infection and nigra means black.
Brown rot on apples is normally associated with other infected fruit nearby. Brown rot is a minor disease on apples in the United States. It is caused by the fungus Monilinia fructicola, and when found on apples, it is normally associated with nearby infected stone fruits that are more susceptible to the disease. The brown rot fungus survives the winter inside dead fruit or areas of dead wood, called cankers.