Sperm acrosome integrity

The acrosome plays an important role in sperm fertilization. Because it releases protein-decomposing enzymes, it digests the adhesion matrix between cumulus cells. Enables sperm to fertilize through the envelope of the egg. Due to the deformity of the acrosome structure, the fertilization rate can be reduced or fertilized. Aging or damage to sperm can cause damage to the acrosomal cap. First, the acrosome ridge part changed, and finally the whole acrosome disappeared. Freezing and thawing semen will damage some sperm. It is important to know the percentage of sperm injured. Studies have shown that there is a stronger correlation between acrosome intact rate and non-return rate than between sperm motility and non-return rate. Therefore, it is important to check sperm acrosome integrity.