These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sperm. Send us feedback. Middle English, from Middle French esperme, sperme , from Late Latin spermat-, sperma , from Greek, literally, seed, from speirein to sow; probably akin to Armenian p'aratem I dispense. Greek sperm-, spermo- , from sperma. See more words from the same century.
Language: English French. Data sharing not applicable to this article as no datasets were generated or analysed during the current study. Sperm cells are remarkably complex and highly specialized compared to somatic cells. Their function is to deliver to the oocyte the paternal genomic blueprint along with a pool of proteins and RNAs so a new generation can begin. Reproductive success, including optimal embryonic development and healthy offspring, greatly depends on the integrity of the sperm chromatin structure. This manuscript reviews recent important findings concerning - the unusual organization of mammalian sperm chromatin and its impact on reproductive success when modified. This review is focused on sperm chromatin damage and their impact on embryonic development and transgenerational inheritance.
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Sperm has been created in a laboratory for the first time, French researchers have claimed, raising hopes of treatment for infertile men. A company based in in Lyon said they had created human sperm in vitro, a feat which would be a world first. Kallistem said it has taken male fertility tissue, known as spermatogonia, and turned it into mature sperm in test tubes.