刺細胞

刺細胞（英語：Cnidocyte，也稱為刺絲胞）是刺胞動物門（Cnidaria）的動物（如水母、水螅、珊瑚、海葵等）中的一種特殊細胞，用於捕獲獵物和防禦捕食者。刺細胞是一種上皮肌肉細胞，核位於基部，細胞頂端具一個刺針，伸出體表，其結構相似於鞭毛；刺的基部也有基粒。^[1][2]

刺細胞的三種狀態

參考文獻

1. Holstein T.; Tardent P. An ultrahigh-speed analysis of exocytosis: nematocyst discharge. Science. 1984, 223 (4638): 830–833. Bibcode:1984Sci...223..830H. PMID 6695186. doi:10.1126/science.6695186.
2. Kass-Simon G.; Scappaticci A. A. Jr. The behavioral and developmental physiology of nematocysts (PDF). Canadian Journal of Zoology. 2002, 80 (10): 1772–1794 [2012-10-25]. doi:10.1139/Z02-135.

外部連結

• Dangerous marine animals of Northern Australia: the Sea Wasp Australian Institute of Marine Science; dangers of box jellyfish
• Nematocysts Firing Movie
• Wrobel, David. Nematocysts. The JelliesZone. （原始內容存檔於2010-03-30）.
• Portuguese Man-of-War: Real Stories, Real People, Real Encounters.