cirri

cirri Hair-like structures in animals and plants; small, slender, flexible fleshy protuberances; the singular is cirrus.

触毛在动物或植物中像头发一样的细长,柔韧。

In addition,a new structure,frontal cirrus between the frontal cilia and laterofrontal cirri,is found only on the gill surface of Corbicula fluminea.

外，仅在河蚬鳃表面前纤毛和前侧纤毛之间，观察到一种的纤毛——前触毛。

The proter's oral primordium appears (under the pellical, too) anterior to the parent AZM2, from which membranells 7―11 of AZM1, the whole AZM2, PM and one of the frontal cirri will be originated;

（2）前仔虫口原基出现在老仔虫AZM2之前方，随后发育成前仔虫的AZM2、口侧膜及AZM1的一部分，并更老AZM1中的第7―11片小膜。