MICROANATOMY

Detailed explanation-1: -People whose blood is low in oxygen tend to have a bluish color to their skin. This condition is called cyanosis. Depending on the cause, cyanosis may develop suddenly, along with shortness of breath and other symptoms. Cyanosis that is caused by long-term heart or lung problems may develop slowly.

Detailed explanation-2: -Cyanosis is a pathologic condition that is characterized by a bluish discoloration of the skin or mucous membrane1 [1]. The word cyanosis is a derivative of the word cyan, a blue-green color.

Detailed explanation-3: -Cyanosis is a bluish color in the skin, lips, and nail beds caused by a shortage of oxygen in the blood. Cyanosis occurs because blood with low levels of oxygen turns blue or purple. This low-oxygen blood causes a blue-purple tint to the skin.