any of the numerous small cone-shaped eyes that make up the compound eyes of some arthropods
例句
An ommatidium composed of cornea, two corneagenous cells, four cone cells and eleven retinular cells. 扫描电镜观察结果显示三疣梭子蟹复眼为半球形。
The larger the angle of incidence of a palallel beam of light on an ommatidium is, the further the intermediate image lies from the cone axis. 随着对平行入射光束与小眼光轴的角度的增加，所产生的中间像越来越远离晶锥光轴。
. ommatidium , ommatophore , from Greek omma (N *opma ), eye.. ommatidium;ommatophore;源自 希腊语 omma (N *opma );眼睛
A comparative study on the surface ultrastructure of ommatidium in butterflies 蝶类复眼小眼面表面超微结构的比较研究
