Morphotype amSc("Scutellospora")
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distribution in root cortex
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mainly in outer cortex layers
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auxiliary cells
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sometimes present, shorter or longer segments of outer hyphae almost
always seen
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hyphae at entry point
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very prominent coiling of hyphae near entry points
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intraradical hyphae
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often with prominent processes, 5.5 - 6.5 um diameter
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arbuscules
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usually only further from the entry point, sometimes very abundant
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vesicles
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absent
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This case, where the same hyphal system can enter into a root (or more
than one root) at several distinct entry points, is often seen.
Hyphal networks often occupy a large part of the root cortex volume
Due to the staining process, the thicker longitudinal hyphae
are sometimes broken into smaller pieces, probably at the cells' boundaries.
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This page last modified by Petr Šmilauer on 14 September 2000