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单词 nematocyst
释义

Definition of nematocyst in English:

nematocyst

noun nɪˈmatə(ʊ)sɪstˈnɛmətə(ʊ)sɪstniˈmatə-
Zoology
  • A specialized cell in the tentacles of a jellyfish or other coelenterate, containing a barbed or venomous coiled thread that can be projected in self-defence or to capture prey.

    〔动〕刺丝囊,刺细胞

    Example sentencesExamples
    • Casually touching many cnidarians will make it clear how they got their name when their nematocysts eject barbed threads tipped with poison.
    • If pain persists, powder and shave the skin to remove any remaining nematocysts.
    • As a feeding adaptation, the anemones are equipped with stinging cells called nematocysts, which are triggered as soon as a tentacle touches a living organism, paralyzing it upon contact.
    • Members of the phylum Cnidaria, these animals have capsule-shaped cells with a trapdoor-like lid, containing a stinging nematocyst.
    • If collar cells and spicules are defining characteristics of the Phylum Porifera, then nematocysts define cnidarians.

Definition of nematocyst in US English:

nematocyst

nounniˈmatə-
Zoology
  • A specialized cell in the tentacles of a jellyfish or other coelenterate, containing a barbed or venomous coiled thread that can be projected in self-defense or to capture prey.

    〔动〕刺丝囊,刺细胞

    Example sentencesExamples
    • If collar cells and spicules are defining characteristics of the Phylum Porifera, then nematocysts define cnidarians.
    • As a feeding adaptation, the anemones are equipped with stinging cells called nematocysts, which are triggered as soon as a tentacle touches a living organism, paralyzing it upon contact.
    • If pain persists, powder and shave the skin to remove any remaining nematocysts.
    • Casually touching many cnidarians will make it clear how they got their name when their nematocysts eject barbed threads tipped with poison.
    • Members of the phylum Cnidaria, these animals have capsule-shaped cells with a trapdoor-like lid, containing a stinging nematocyst.
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更新时间:2025/6/19 5:14:09