spermiogenesis love

Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Transformation of a spermatid into a spermatozoon.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The final stage of spermatogenesis. It involves the maturation of the spermatids into spermatozoa.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

New Latin spermium, spermatozoon (probably from Late Latin sperma, semen; see sperm1) + -genesis.

Examples

  • In the final step, spermiogenesis, the DNA coils in the sperm's head.

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  • • It includes the 1st + 2nd meiotic division + spermiogenesis.

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  • We discussed spermatogenesis -- how we got from a diploid spermatogonial stem cell to a haploid spermatid -- and then spermiogenesis -- the process by which the spermatids acquire the features of spermatozoa: tails, acrosomes and the like.

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  • The association of AQP11 with the residual cytoplasm of elongated spermatids and the distal tail of spermatozoa supports the hypothesis of more than just a role in conferring water permeability and also in the turnover and recycling of surplus cellular components made redundant during spermiogenesis and spermiation.

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  • The team had already zeroed in on the Jhdm2a enzyme, showing in a 2007 Nature publication that the Jhdm2a gene is highly expressed in mouse testes and plays an important role in spermiogenesis, the final step in the production of a functional sperm cell.

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  • "One is control of spermiogenesis; the other is control of metabolism."

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  • This finding indicates that CatSper has no required role in the prior developmental events that determine the assembly of an asymmetry-competent flagellum during spermiogenesis, or in downstream signaling events that couple Ca

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