telson

/tel-suhn/US // ˈtɛl sən //UK // (ˈtɛlsən) //

钨钢,钨合金,钨丝灯,钨矿

Definitions

n.名词 noun

1
- : the last segment, or an appendage of the last segment, of certain arthropods, as the middle flipper of a lobster's tail.

The appendages on the next to last segment are divided and broadly flattened, forming with the telson a powerful swimming-paddle.
The sixth segment of the abdomen has a pair of biramous appendages, which, with the telson, form a swimming-fan.
Telson, tel′son, n. the last somite of the pleon or abdomen of certain crustaceans and arachnidans.
Among the last, looking about anxiously for a place to stand and watch the big race, are Telson and Parson, arm-in-arm.
The cheers, of course, all round the field are tremendous, and nowhere more exciting than where Telson and Parson are located.