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Pronunciation varies by accent · noun
(zoology) One of the filaments on the inner surface of the gastric cavity of certain jellyfishes..
Closer inspection, however, shows that the two phacelli of each pair originate as diverging limbs, from a simple interradial phacellus deep in the bottom of the basal stomach.
[...] phacelli are well developed, occupying the interradial sides of the octagonal stomach cavity. Each phacellus consists of from eight to twelve brush-like filaments.
... the phacellus placed on it, which is formed by a bow-shaped series of gastral filaments.
Use phacellus when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Phacellus means (zoology) One of the filaments on the inner surface of the gastric cavity of certain jellyfishes..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Closer inspection, however, shows that the two phacelli of each pair originate as diverging limbs, from a simple interradial phacellus deep in the bottom of the basal stomach.
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