Aug 1, 1992

Observations on the turkey oviductal sperm-storage tubule using differential interference contrast microscopy

Journal of Reproduction and Fertility
M R Bakst


Squash preparations of unfixed, uterovaginal junction mucosae revealed that openings to sperm-storage tubules were round or slit-like and were surrounded by either cilia, which were part of the uterovaginal junction surface epithelium, or nonciliated cells resembling the sperm-storage tubule epithelium. By focusing on different levels of the sperm-storage tubule (optical sectioning), connective tissue fibres and cells between individual sperm-storage tubules, epithelium and lumen of sperm-storage tubules containing resident spermatozoa were observed. An optical section through the sperm-storage tubule epithelium revealed basal nuclei and associated nucleoli, and refractile supranuclear lipid droplets. Luminal spermatozoa were distributed primarily in the distal third of the sperm-storage tubule and nearly always formed a tight bundle at its base. These spermatozoa were often observed slowly and synchronously oscillating. In two-thirds of the 30-week-old, non-photostimulated hens, sperm-storage tubules were fully formed. In contrast, the remaining hens possessed bud-like surface invaginations lacking discernible lumina. It was concluded that differential interference contrast microscopy offers better spatial and optical resoluti...Continue Reading

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Mentioned in this Paper

Animal Oviduct
Lipid Droplet
Entire Lumen of Body System
Sectioning Technique
Squash antigen
Sperm Cell
Spermatozoa Cell Count
Plant fiber
Entire Basal Nuclei

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