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frustule

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Frustule - Wikipedia
A frustule is the hard and porous cell wall or external layer of diatoms. The frustule is composed almost purely of silica, made from silicic acid. en.wikipedia.org
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Frustule | Glossary - Diatoms of North America
A frustule is the external, siliceous part of the diatom cell wall. In Latin frustule means a little piece. diatoms.org
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Frustule - an overview | ScienceDirect Topics
Frustules are defined as opal silica shells produced by diatoms, characterized by distinctive morphology and varying in size from 2 to 300 μm. www.sciencedirect.com
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frustule
frustule (ˈfrʌstjuːl) [a. F. frustule, ad. late L. frustulum, dim. of frustum.] The siliceous two-valved shell of a diatom, with its contents.1857 Berkeley Cryptog. Bot. §103. 130 The frustules which are long and slender, slip over each other, yet so as always to adhere. 1867 J. Hogg Microsc. ii. i.... Oxford English Dictionary
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FRUSTULE Definition & Meaning - Merriam-Webster
The meaning of FRUSTULE is the 2-valved siliceous shell of a diatom. www.merriam-webster.com
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Hypotheses on Frustule Functionalities - Diatom Photosynthesis
The central function of frustules—transparent glass shells surrounding the diatoms—is still enigmatic. This chapter summarizes some of the ... onlinelibrary.wiley.com
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Frustule | biology - Britannica
Forms a pillbox-like shell (frustule) composed of overlapping halves (epitheca and hypotheca) perforated by intricate and delicate patterns. www.britannica.com
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Diatom Frustule - Nikon's MicroscopyU
Each individual diatom possesses a cell wall known as a frustule that consists of overlapping halves, similar to a pillbox. www.microscopyu.com
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Modifying the thickness, pore size, and composition of diatom ...
The most characteristic feature of diatoms are their biogenic silica cell walls termed the frustule comprising two valves (epitheca and ... www.nature.com
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Microstructure provides insights into evolutionary design ... - PNAS
Transmission electron microscopy analysis reveals that the frustule is made almost entirely of amorphous silica with a nanocrystalline proximal layer. No flaws ... www.pnas.org
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Pinnularia
The margins of the two thecae are covered by a connecting band called a cingulum and all together are referred to as a frustule, and the whole cell is wikipedia.org
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testule
ˈtestule Bot. [ad. L. testula, dim. of testa shell.] The silicified crust or shell of a diatom: more usually called frustule.1891 in Cent. Dict. Oxford English Dictionary
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Phycophthorum
These motile zoospores then settle and penetrate the frustule of a new diatom host through tubular processes that generate from the cell membrane. wikipedia.org
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transversan
transˈversan, a. Bot. [f. as transverse a. + -an.] (See quot.)1900 B. D. Jackson Gloss. Bot. Terms 274/1 Transversan Plane, that which passes through the centre of a Diatom frustule vertically to the pervalvar axis (O. Mueller). Oxford English Dictionary
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Gyrosigma
Like other diatoms, Gyrosigma has a siliceous cell wall called a frustule. The frustule is composed of two sections called valves, with one valve fitting inside the other valve similar to the two halves of a Petri dish. wikipedia.org
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