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Ultrastructural assessment of a blastocyst recovered from a cow with subclinical purulent endometritis.

Authors
Type
Published Article
Journal
Theriogenology
0093-691X
Publisher
Elsevier
Publication Date
Volume
29
Issue
3
Pages
671–679
Identifiers
PMID: 16726388
Source
Medline
License
Unknown

Abstract

A blastocyst was recovered from a cow with subclinical purulent endometritis from which Actinomyces pyogenes was isolated. Ultrastructurally the blastocyst appeared viable, although the zona pellucida and pervitelline cell debris were undergoing phagocytosis by neutrophils. An increase in lysosomal activity was observed in the inner cell mass, which may represent sublethal injury due to inflammatory alteration of the uterine milieu. It was concluded that the embryo was resistant to the bystander effect of the suppurative inflammation but that the altered uterine microenvironment may have caused sublethal blastocyst injury.

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