Abstract Background Germ cell mitotic arrest is conserved in many vertebrates. including birds. although the time of entry or exit into quiescence phase differs. Mitotic arrest is essential for the normal differentiation of male germ cells into spermatogonia and accompanies epigenetic reprogramming and meiosis inhibition from embryonic development to post-hatch. https://fitnessgravesyardes.shop/product-category/heart-rate-receiver/