part of part of protects organism substance egg yolk shelled egg albumen ncithesaurus:Egg_White egg white GO:0097099 Albumen is the clear liquid contained within an egg and consists of water and proteins, among which are ovomucin and ovomucoid. It protects the egg yolk and provides additional nutrition for the growth of the embryo. Wikipedia:Albumen BTO:0000370 UBERON:0008944