What are the different techniques for sperm retrieval in men with spinal cord injuries?

Oct 5, 2012 ... Nine elements of the PIXE spectrum were included in the analysis of isolated sperm: zinc, copper, calcium, sulfur, chlorine, potassium, titanium ... Sep 22, 2021 ... Mouse pluripotent stem cells can differentiate into functional sperm. These sperm were successfully used to produce healthy, fertile offspring. Feb 10, 2022 ... The popularity of sperm whale oil led to a huge expansion in the industry at the beginning of the 18th century. While bowhead and North Atlantic ... Mar 16, 2006 ... For more than 40 years, it was assumed that the life cycle of sperm in the adult male was 60 to 70 days - from origin to ejaculation. Last year, a piece of news from France, which reported that the transformation of stem cells into sperm cells with a developed tail structure had been achieved ... Jun 24, 2022 ... A vasectomy is a permanent form of male birth control. It blocks sperm from getting into the fluid that leaves the penis during ejaculation. The experimental unit was made of two insemination doses of 100 mL each, with 3×10(9) spermatozoids. Insulin used was NPH-human, added at the time of ... Jun 14, 2022 ... Jemma and Richard's son Harrison was born on 26 May 2020 – a week after they had moved house from Cambridgeshire to Northamptonshire – and a month before ... Oct 13, 2021 ... Sperm are male reproductive cells which are made and stored in the testes (testicles or 'balls') and released during ejaculation. A vasectomy works by permanently blocking the exit flow of sperm from the testicle. Because the ejaculate is primarily composed of fluid (semen), there is ...