4th year practical revision
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This document contains images and descriptions of abnormal sperm cells from bulls, including double headed sperm, misshapen heads, elongated heads, pear-shaped heads, detached heads, bent tails, coiled tails, and proximal and distal droplets. The document also contains images of developing dog and bull embryos at various stages from a single cell to a hatching blastocyst.
4th year practical revision
- 2. Blood in a canine ejaculate (hemospermia(
- 3. Semen samples from a bull (left( and dog (right(, showing differences in opacity and concentration
- 9. Double headed sperm (bull; eosin-nigrosin stain( Misshapen head along with 4 normal sperm (bull; toluidine blue stain(
- 10. Elongaged head (bull; eosin-nigrosin stain( Elongated head (bull; toluidine blue stain(
- 11. Pyriform (pear-shaped) head and bent, abnormal midpiece (bull; eosin-nigrosin stain) Misshapen head and proximal droplet (bull; toluidine blue stain)
- 12. Proximal droplet (bull; toluidine blue stain) Distal droplet (bull; toluidine blue stain)
- 13. Detached head (bull; eosin-nigrosin stain) Bent tail or midpiece (bull; eosin-nigrosin stain)
- 14. Coiled tail (bull; eosin- nigrosin stain) Coiled midpiece/tail in one sperm and proximal droplet in another (bull; eosin-nigrosin stain)
- 23. Bent or reversed tail
- 25. Detatched head
- 26. Wrinkled acrosome - this may reflect a nuclear problem which prevents zona attachment by the sperm cell. It is a rare condition.
- 29. Micromanipulator
- 31. CIDAR
- 32. Blastocyst
- 33. Collected COCs
- 34. 4Cell embryo
- 35. Compact morula
- 36. 8Cell Embryo
- 38. One cell embryo with 2 pronuclei
- 39. ICSI
- 40. 2cell Embryo