appendages

Petals 5, differing slightly in size, imbricate, sometimes unguiculate, free, keel without apical appendages.

花瓣5，在尺寸方面不同稍，覆瓦状，有时具爪，离生，没有顶端附属物脊。

In hemicephalous larvae, the head and its appendages are reduced and partially retracted into the thorax.

半头型无足头部部分退化，后端缩入胸部，如双翅蚊及一些生性膜翅。

A jawlike appendage of an arthropod.

包括在节肢动物一族；小蜂科之蜂。

The thorax and pleon bear a number of lateral appendages, including the gills, and the tail ends with a telson.

另一个古老特征是甲壳亚门动物分叉足，这样足在化石中三叶就已经有了。