During Implantation, Why Doesn't the Hyaluronidase Erode the Trophoblast as Well

question 172

Multiple Choice

During implantation, why doesn't the hyaluronidase erode the trophoblast as well as the endometrium

• A)The trophoblast is coated in anti-hyaluronidase.
• B)The trophoblast secretes an enzyme that breaks down the hyaluronidase.
• C)The outer layer of the trophoblast is syncytial, with no cell junctions for the enzyme to attack.
• D)The endometrium inactivates the enzyme before it can act on the trophoblast.
• E)None of the answers are correct.

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