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frustule
[ fruhs-chool ]
noun
- the siliceous cell wall of a diatom.
frustule
/ ˈfrʌstjuːl /
noun
- botany the hard siliceous cell wall of a diatom
frustule
/ frŭs′cho̅o̅l /
- The silica-rich cell wall of a diatom. Frustules are divided into two halves, and the intricate patterns of depressions and projections on each half help to identify individual diatom species.
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Word History and Origins
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Word History and Origins
Origin of frustule1
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Example Sentences
Each half of a frustule is called a valve, and the line at which these valves meet is called the suture.
In many cases I believe that each half-frustule becomes coated with a new entire cell-wall, with its siliceous valves.
Frustule cylindrical; zone with longitudinal rows of fine puncta.
Processes very large, cylindrical, placed obliquely and inclined by the torsion of the frustule.
Frustule broad, with rounded angles; septa curved; valve ovate, inferior apex produced.
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