Example sentences for: postnatal

How can you use “postnatal” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • Double ER knockout (DERKO) mice are infertile, possess the expected reproductive tract structures, but exhibit a remarkably distinct ovarian phenotype characterized by postnatal loss of oocytes and redifferentiation of the remaining somatic cells to Sertolilike cells.

  • The postnatal rats were weaned at 21 days of age, and they attained sexual maturity during the 6th week of life.

  • These TG mice showed progressive structural and functional abnormalities in their testes, leading eventually to infertility [ 23 24 25 ] . In our recent paper, we described an altered pattern of germ cell proliferation throughout postnatal life in the ABP-TG mice, resulting in a progressive reduction in total germ cell numbers with increasing age [ 26 ] . However, it was not clear whether the reduction in germ cell numbers was the result of a reduced rate of proliferation, an increased rate of apoptosis, or a combination of the two.

  • [ 6 ] . Their studies demonstrate that PN-1 slows granule cell movement from the external to internal layers in postnatal mouse cerebellar slice cultures.

  • Targeted null Brn3c mutants have no mature hair cells [ 1 2 ] . Close examination has revealed that some 'immature' hair cells form in Brn3c null mutants and express cellular markers such as Myosin VI and VIIa, calretinin and parvalbumin [ 3 ] . Furthermore, these immature hair cells of Brn3c null mutants undergo apoptosis in neonates [ 3 ] . Consistent with an apparent absence of mature hair cells, initial work suggested that all vestibular and most spiral ganglion cells are lost by postnatal day 14 (P14; [ 1 ] ). However, more detailed quantification by others [ 3 ] reported that at P4 about 77% of vestibular neurons and only 29% of spiral neurons are lost.


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