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The Helminthological Society of Washington - Peru State College

The Helminthological Society of Washington - Peru State College

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ENDO ET AL.—ULTRASTRUCTURE OF THE LESION NEMATODE 165<br />

1:0 jum<br />

Figure 14. Longitudinal section <strong>of</strong> an egg emerging from a spermatheca in a female P. penetrans.<br />

Spermatozoa (Sp) remaining in spermatheca (S) after oocyte passage appear to be oriented toward the<br />

emerged egg (E). <strong>The</strong>ir electron-dense nuclei (N) and mitochondria adhere to the internal surface <strong>of</strong> the<br />

leading membrane <strong>of</strong> the spermatozoa. <strong>The</strong> membrane trailing the major body <strong>of</strong> the egg is intact and<br />

clearly separated from the spermatheca and its contents.<br />

Copyright © 2011, <strong>The</strong> <strong>Helminthological</strong> <strong>Society</strong> <strong>of</strong> <strong>Washington</strong>

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