You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is In semen banks, semen is preserved at low temperature using which cryo protectant:- and explain in detail?
Preservation of semen :- The most common cryoprotectant used for semen is glycerol (10% in culture medium). Cryoprotectant media may be supplemented with either egg yolk or soy lecithin Liquid Nitrogen is the medium in which these 'Cassettes' containing' sperms and cryoprotectants' are stored in. Cryopreservation of sperms,ova and embryos is one big step in the field of infeility. It avoids repeated aspiration . It also permits donation of eggs as well as of sperms to couples whose husband is azoospermic or wife is in capable of ovulation.