Often one sees, on surface view, a distinctly rounded vacuole, occupying a position in the cell occupied in others by a large nematocyst.
Source: wiktionary
Ranked by relevance and common usage.
Keep "nematocyst" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
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Choose a synonym only if it keeps the core idea of "nematocyst" intact in the sentence you are editing.
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3 total sentences available.
Often one sees, on surface view, a distinctly rounded vacuole, occupying a position in the cell occupied in others by a large nematocyst.
Source: wiktionary
The young nematocyst decreases in size and becomes coarsely granular, the granules arranging themselves in a spiral line close under the external membrane.
Source: wiktionary
Nematocyst discharge is another example of the Rubicon principle – it either fires or it does not.
Source: wiktionary
Closest matches include discharge mechanism, firing mechanism, harpoon cell, stinging cell, venomous organelle.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.