https://doi.org/10.1351/goldbook.10579
Bluish discoloration of the skin and mucous membranes due to excessive concentration of deoxygenated haemoglobin, owing to poor circulation or inadequate oxygenation of the blood.
Bluish discoloration of the skin and mucous membranes due to excessive concentration of deoxygenated haemoglobin, owing to poor circulation or inadequate oxygenation of the blood.