Home ยป Bluish discolouration of skin and mucous membrane due to poor oxygenation is termed as Health MCQs Bluish discolouration of skin and mucous membrane due to poor oxygenation is termed as April 9, 2022 4 Views Q. Bluish discolouration of skin and mucous membrane due to poor oxygenation is termed as A. Pallor B. Cyanosis C. Erythema D. Jaundice Answer: Cyanosis