vitellus

1. Ingredients: high-quality flour, vegetable oil, grape, egg, vitellus, white granulated sugar, Glucose syrup.
   产品说明：料：高级面粉，植物油，葡萄，鸡蛋，蛋黄，白砂糖，葡萄糖浆。
2. As a stored protein, vitellin is a major protein component accumulated in vitellus granules during the formation of ovotids. The protein plays an important role in the development of embryos.
   卵黄磷蛋白作为一种蛋白贮藏物，是卵细胞形成期间积累在卵黄颗粒中的一种主要蛋白组份，它在胚胎发育中起着重要的作用。
3. The methionine level in vitellus capsule, plasma and liver could not be effected by methionine level in the diet during 1 to 7 day-old.
   1～7日龄期间，雏鸡的卵黄囊、血浆和肝脏中的蛋氨酸含量不受日粮中蛋氨酸水平的影响；

noun

1. nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg)

   Synonym:    yolk