Morphological, histological and histochemical studies of the gonads of ovine freemartins.

@article{Smith2003MorphologicalHA,
  title={Morphological, histological and histochemical studies of the gonads of ovine freemartins.},
  author={Ken C. Smith and Timothy John Parkinson and Geoffrey R. Pearson and Louise M. Sylvester and Susan Elaine Long},
  journal={The Veterinary record},
  year={2003},
  volume={152 6},
  pages={
          164-9
        }
}
Freemartins are XX/XY chimaeras that develop as a result of the fusion of the placental circulation of at least one male and one female fetus. Of 19 freemartin ewes, 13 had testis-like structures, seven of them in an abdominal position and six in an inguinal position. Histologically, their gonads had structures resembling seminiferous tubules and interstitial cells, and grossly, most had structures derived from the mesonephric ducts (vasa deferentia, epididymides and vesicular glands). The… CONTINUE READING

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