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The change exhibited mainly as a swelling of the cytoplasm of
the tubular epithelial cells with occasiona1 apoptosis and some
loss of nuclear staining.Regenerative hyperp1asia of epithelial
cells was observed, particularly in more severely affected
animals. Tubular degeneration/ regeneration was present diffusely
in al1 or most of the medullary rays in some animals and in
occasional foci in others. interstitial edema (primarily in the
medulla) was observed in some of the more severely affected
animals , possibly suggesting an alteration in tubular function.

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2Â¥: Originally posted by ssssllllnnnn at 2014-10-22 11:05:48
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tubules and ducts in the medullary raysµÄÒâ˼²»ÊÇ ËèÖÊÉäÏßµÄÁ½¸öʲô¹ÜÂð
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4Â¥: Originally posted by СÍèÍè9 at 2014-10-21 22:55:13
tubules and ducts in the medullary raysµÄÒâ˼²»ÊÇ ËèÖÊÉäÏßµÄÁ½¸öʲô¹ÜÂð...

tubulesÊÇÉöС¹Ü£»ducts in the medullary raysÎÒµÃÀí½âÊÇָλÓÚËèÖÊÉäÏßÇøµÄ¼¯ºÏ¹Ü£¨collecting ducts£©¡£
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In anatomy, the medullary ray (Ferrein's pyramid) is the middle part of the cortical lobule or renal lobule, consisting of a group of straight tubes to the collecting ducts.
https://en.wikipedia.org/wiki/Medullary_ray_%28anatomy%29
6Â¥2014-10-22 12:02:27
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5Â¥: Originally posted by ssssllllnnnn at 2014-10-22 11:59:01
tubulesÊÇÉöС¹Ü£»ducts in the medullary raysÎÒµÃÀí½âÊÇָλÓÚËèÖÊÉäÏßÇøµÄ¼¯ºÏ¹Ü£¨collecting ducts£©¡£...

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