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Fig 1: Schematic drawing of Pseudo-nitzschia pungens showing two closely packed rows of poroids.
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This EM isn't very good, but it's better than nothing.
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Balea, Galicia, Spain
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Fig 1: Pseudonitzschia multiseries Schematic drawing of the cell with detailed arrangement in the valve view.
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Balea, Galicia, Spain
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Fig 2: Pseudonitzschia multiseries Scanned electron micrograph showing detail of the stria, poroids and fibulae.
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Grove, O, Galicia, Spain
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Fig 3: Pseudonitzschia multiseries Scanned electron micrograph image showing detailed stria, fibulae and poroids.
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Grove, O, Galicia, Spain
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Fig 4: Pseudonitzschia multiseries Scanned electron micrograph image showing detail of the stria.
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Grove, O, Galicia, Spain
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Fig 1: Schematic drawing of the cell in the valve view.
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Grove, O, Galicia, Spain
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Fig 2: Electron micrograph image showing detail of the striae and fibulae
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Fig 3: Electron micrograph image of the valve end showing detail of the poroids, fibulae and striae.
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Fig 4: Electron micrograph image showing detail of the striae.
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4648a
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TEM of cleaned P. calliantha frustules. Note the long, thin valves and the central nodule.
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Valve view of P. calliantha, note the diagnostic flower pattern in the poroid hymen
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Description: This is an image of the diatom Pseudo-nitzschia, which can produce the toxin domoic acid. (Image courtesy of Oregon State University). Date: 9 January 2017, 08:49. Source:
Diatom. Author:
Oregon State University.
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Description: English: Pseudo-nitzschia. Date: 6 May 2016. Source: Personally emailed her can received written permission to publish. Author: Dr. Rozalind Jester Professor at Florida SouthWestern State College.