| 31. | "Tetraphis pellucida " is characterized by having a straight smooth-lacking protrusions-seta.
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| 32. | Oocytes reach normal size and form a zona pellucida although organelles become clustered and cortical granules do not form.
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| 33. | This binding triggers the acrosome to burst, releasing enzymes that help the sperm get through the zona pellucida.
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| 34. | During the freezing process, the zona pellucida, or shell of the egg can be modified preventing fertilization.
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| 35. | The researchers also used the device to remove the " zona pellucida " shell that encases early embryos.
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| 36. | After the acrosome reaction, the sperm is believed to remain bound to the zona pellucida through exposed ZP2 receptors.
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| 37. | SUZI is an IVF technique where sperm is placed between the zona pellucida and the cell membrane of an oocyte.
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| 38. | A glycoprotein polymer capsule called the zona pellucida forms around the oocyte, separating it from the surrounding granulosa cells.
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| 39. | A special complementary molecule on the surface of the sperm head binds to a ZP3 glycoprotein in the zona pellucida.
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| 40. | Such porcine zona pellucida ( PZP ) vaccines were tested in captive and domestic horses in 1986 with encouraging results.
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