The threadtube of the cnidoblast once discharged can it be withdrawn? Or it can be used again?

1 Answer
Sep 19, 2017

Neither can it be withdrawn nor can it be reused.

Explanation:

The cell can use its thread and nematocyst only once. Later the used cell is replaced by newly generated cnidoblast cell.

![https://scontent-sea1-1.cdninstagram.com/t51.2885-15/s480x480/e15/11264256_1430250270625882_22480462_njpg?ig_cache_key=OTgyNzUxMDY3MTU3NTA3MzYz.2](useruploads.socratic.org)