Computer Imaging Sperm Selection (CISS)

Computer Imaging Sperm Selection (CISS)

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Credit: JAMES KING-HOLMES/SCIENCE PHOTO LIBRARY

Caption: Computer Imaging Sperm Selection (CISS). Video light micrograph of a needle capturing a fertile sperm by the CISS method (Computer Imaging Sperm Selection). This is a step in the process of in vitro fertilisation. Sperm heads are seen as dark spherical objects. They are monitored by computer: white tracks are fertile sperm; yellow tracks show infertile sperm. Fertility is determined by sperm head movement, swim speed and tail thrashing. Once computer selected, the sperm is sucked into a micro-needle and placed on the surface of a human egg for fertilisation. CISS was developed by British scientist Dr Steve Green.

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Keywords: biological, biology, ciss, ciss method, computer imaging sperm select., dr steve green, embryo research, equipment, europe, european, fertilisation, fertility treatment, fertilization, healthcare, in vitro fertilisation, infertile, infertility, ivf, ivf technique, light micrograph, light microscope, medical, medicine, needle, sperm, sperm select, sperm selection, technique, uk, united kingdom

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