Egg is composed of shell, albumen (white) and yolk. The ratio shell : albumen : yolk = 1:6:3.
Fresh eggs have a round raised shape. The color of yolk is depend on feed; the canges to yellow if feeded the corn, and to whity if feeded the rice.
The chalaza are two spiral bands of tissue that suspend the yolk in the center of the white (the albumen) and its component is the same protein with albumen and includes 1% of sialic acid.
is an egg. 卵（たまご）
・Ran-Paku / Shiromi
is a albumen (white). 卵白（らんぱく） literally “egg white” 白身（しろみ） literally “white body”
・Ran-O / Kimi
is a yolk. 卵黄（らんおう） literally “egg yellow” 黄身（きみ） literally “yellow body”
is a chalaza. カラザ（からざ）