J. Anim Sci.
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J. Anim Sci. 1973. 36:936-940.
© 1973 American Society of Animal Science
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On the Presence of a Ciliated Columnar Epithelial Cell Type within the Bovine Cervical Mucosa1

R. J. Wordinger2, J. B. Ramsey, J. F. Dickey and J. R. Hill, Jr.

Clemson University, Clemson, South Carolina 29631

Abstract

Cervical tissue samples were obtained at slaughter from the mid-cervix of three heifers at 4 days postestrus and from the anterior, middle and posterior cervix of two cows at 14 days postestrus. Tissues were processed for carbohydrate histochemistry and electron microscopy. Both ciliated and non-ciliated columnar epithelial cells were present in all tissues examined. At 4 days postestrus the non-ciliated cells contained a large amount of stored mucin in the supranuclear region; nuclei were located in the extreme basal region of the cell. Sulfated and carboxylic acidic muco-substances were present in both the stored mucin and mucin secreted into the cervical lumen. At 14 days postestrus less mucin was observed in the non-ciliated cells. The ciliated epithelial cells from animals 4 days postestrus exhibited a more intense eosinophilia than the non-ciliated cells and were constricted between two adjacent non-ciliated cells. This constriction was less prominent at 14 days postestrus. The nucleus of the ciliated cell was more centrally located than in the non-ciliated cell. Numerous cilia containing the 9+2 filament arrangement were observed.

Footnotes

1 Published with approval of the Director of the South Carolina Agricultural Experiment Station as Technical Contribution No. 1037.

2 Present address: Laboratory of Reproductive Physiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia 19104.






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