Observation on the mantle of cristaria plicata with scanning electron microscope 褶紋冠蚌外套膜的掃描電鏡觀察
So , we extracted the s . canopus larvae and found the crude extract can facilitate the settlement and metamorphosis of s . canopus larvae in some degree but the effect is not significant as that of the tunic of styela plicata and s . canopus 本實驗還從海區(qū)中生長的三種海綿和長石藥( ual 。 )中篩選出兩種海綿(粘山海綿地…刀iespp和礬海綿m 。