noun
nettling thread; stinging filament
A biological term referring to the thread-like structure in cnidocytes (stinging cells) of cnidarians like jellyfish and sea anemones, used to deliver venom.
クラゲの刺糸は、獲物に毒を注入するために使われる。
The jellyfish's stinging filament is used to inject venom into its prey.
刺胞動物の刺糸は、顕微鏡で観察すると螺旋状の構造が見える。
When observed under a microscope, the stinging filament of cnidarians shows a spiral structure.