LEUCOCYTES IN THE LUMINAL EPITHELIUM OF THE MOUSE UTERUS AT IMPLANTATION

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Authors:
AGNES F. SMITH
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I. B. WILSON
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DOI:
https://doi.org/10.1530/jrf.0.0380307
Volume/Issue:
Volume 38: Issue 2
Page Range:
307–310
Article Type:
Research Article
Online Publication Date:
Jun 1974
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Summary.

Observations were made on the infiltration of leucocytes into the luminal epithelium of the mouse uterus at the time of implantation.

While the blastocyst was still surrounded by the zona pellucida there were very few leucocytes in the epithelium. After loss of the zona pellucida, 75% of the blastocysts had one or more leucocytes/1-μm section in the epithelial layer surrounding them. The presence of thorotrast particles in the leucocytes showed almost all of these cells to be phagocytic. They were always found low in the epithelial layer, near the basement membrane, and with one exception (possibly an abnormal animal) were never seen in the uterine lumen. This situation contrasts with that seen in the IUD-bearing mouse, in which there is extensive infiltration of the epithelium and of the lumen by leucocytes.

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Print ISSN:
1470-1626
Online ISSN:
1741-7899