4th year practical revision

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Theriogenology practical revision for class 2012

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4th year practical revision

  1. 1. Blood in a canine ejaculate (hemospermia(
  2. 2. Semen samples from a bull (left( and dog (right(, showing differences in opacity and concentration
  3. 3. Double headed sperm (bull; eosin-nigrosin stain( Misshapen head along with 4 normal sperm (bull; toluidine blue stain(
  4. 4. Elongaged head (bull; eosin-nigrosin stain( Elongated head (bull; toluidine blue stain(
  5. 5. Pyriform (pear-shaped) head and bent, abnormal midpiece (bull; eosin-nigrosin stain) Misshapen head and proximal droplet (bull; toluidine blue stain)
  6. 6. Proximal droplet (bull; toluidine blue stain) Distal droplet (bull; toluidine blue stain)
  7. 7. Detached head (bull; eosin-nigrosin stain) Bent tail or midpiece (bull; eosin-nigrosin stain)
  8. 8. Coiled tail (bull; eosin- nigrosin stain) Coiled midpiece/tail in one sperm and proximal droplet in another (bull; eosin-nigrosin stain)
  9. 9. Bent or reversed tail
  10. 10. Tightly coiled tail
  11. 11. Detatched head
  12. 12. Wrinkled acrosome - this may reflect a nuclear problem which prevents zona attachment by the sperm cell. It is a rare condition.
  13. 13. Micromanipulator
  14. 14. Expanded blastocyst
  15. 15. CIDAR
  16. 16. Blastocyst
  17. 17. Collected COCs
  18. 18. 4Cell embryo
  19. 19. Compact morula
  20. 20. 8Cell Embryo
  21. 21. Hatching blastocyst
  22. 22. One cell embryo with 2 pronuclei
  23. 23. ICSI
  24. 24. 2cell Embryo
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