Around a hundred slime glands line each side of the hagfish's body.

盲鳗的身体两侧都有大约一百个黏液腺。

The hagfish contracts the muscles surrounding some of its slime glands, causing the cells to eject their contents into the seawater.

盲鳗收缩一些自己黏液腺周围的肌肉，导致细胞将其内物喷出到海水中。