Question

deffination of acrosome

Answer 1

The acrosome is an organelle that develops over the anterior half of the head in the spermatozoa (sperm cells) of many animals including humans. It is a cap-like structure derived from the Golgi apparatus.

Answer 2

The acrosome is an organelle that develops over the anterior half of the head in the spermatzoa  (sperm cells) of many animals including humans. It is a cap-like structure derived from the Golgi Apparatus Acrosome formation is fully completed 5–10 years after testicular maturation. ] InEutherian mammels the acrosome contains digestive enzymes .These enzymes break down the outer membrane of the ovum, called the zona pallucida allowing the haploid nucleasin the sperm cell to join with the haploid nucleus in the ovum.

This shedding of the acrosome, or acrosome reaction, can be stimulated in vitro by substances a sperm cell may encounter naturally such as progesterone or follicular fulid , as well as the more commonly used calcium A23187. This can be done to serve as a positive control when assessing the acrosome reaction of a sperm sample by flow . This is usually done after staining with a fluoresceinated lectin  such as FITC-PNA, FITC-PSA, FITC-ConA, or fluoresceinated antibody such as FITC-CD46.

Human spermatozo
golgi apparatus is not transformed into the acrosome, causing male infertility.

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