Chitin is the stuff of crab shells and the carapaces of dust mites, the cell walls of lichens, and even the rigid innards of parasitic worms. 在蟹壳、尘螨背甲、苔藓细胞壁,甚至在寄生蠕虫硬质内脏中甲壳素无处不在。
Preliminary studies on effects of different pH values on carapaces of living ostracods 不同pH值水溶液对现生介形类壳体保存的影响