In addition to the corona radiata, a spermatozoon must also pass through the __, a thick gel that surrounds the ovum, to fertilize the ovum.

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Quizplus · Accepted Answer

The zona pellucida is a thick glycoprotein layer that surrounds the ovum and must be penetrated by the spermatozoon in order for fertilization to occur. The acrosome, corpus hemorrhagicum, and corpus luteum are all involved in the process of fertilization but do not directly surround the ovum.

In Addition to the Corona Radiata, a Spermatozoon Must Also