OBJECTIVE:To use the shell-less hen's egg test chorioallantoic membrane as alternative methods to test the skin irritation hazard of some sunscreen cosmetics.
目的:采用平皿法鸡胚试验方法作为替代方法评价化妆品引起人体皮肤不良反应潜在可能的可行性。
A lavender-colored nudibranch feeds on hydroids near Vatu-i-Ra, Fiji. Related to sea slugs, nudibranchs are shell-less mollusks that display some of the most vibrant colors found anywhere in nature.