Granules of semi-crystalline phospholipoprotein used as a food reserve of embryonic and early larval stages, usually seen as a yellowish sphere diminishing in size as development proceeds.

• 卵黄半结晶的磷酸脂蛋白小粒，用作胚胎与早幼鱼时期的食物保存，通常见到为一个淡黄色的球体随著发育进展慢慢缩小。