DURATION OF THE CYCLE OF THE SEMINIFEROUS EPITHELIUM AND ITS STAGES IN THE RHESUS-MONKEY (MACACA, MULATTA)
DURATION OF THE CYCLE OF THE SEMINIFEROUS EPITHELIUM AND ITS STAGES IN THE RHESUS-MONKEY (MACACA, MULATTA)
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DOI：
10.1095/biolreprod35.3.587
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发表时间：
1986-10-01
影响因子：
3.6
通讯作者：
VANDEKANT, HJG
中科院分区：
文献类型：
--
作者：
DEROOIJ, DG;VANALPHEN, MMA;VANDEKANT, HJG
1戈伊或更高剂量的X射线照射杀死了睾丸中存在的所有B精原细胞，并且在照射后的前3周期间，几乎没有新的B精原细胞形成。辐射后第一周期，Apalespermatogonia数量减少，而Adark精原细胞数量在第二周期才开始减少，本研究估计恒河猴生精上皮周期为10.5天（SE = 0.2天）。这是在照射后的前3周内，在生精上皮中的生殖细胞耗尽后确定的。我们对生殖细胞耗竭过程的观察表明，在足以杀死所有B精原细胞的剂量的X射线照射后，所有精母细胞在约17天内从睾丸中消失，所有精子细胞在约31天内消失。
Doses of 1 Gy or more of X-irradiation killed all B spermatogonia present in the testis, and during the first 3 weeks after irradiation, virtually no new B spermatogonia were formed. The number of Apalespermatogonia decreased during the first cycle of the seminiferous epithelium while the number of Adarkspermatogonia only began to decrease during the second cycle after irradiation.In this study, the duration of the cycle of the seminiferous epithelium in the rhesus monkey was estimated to be 10.5 days (SE = 0.2 days). This was determined following the depletion of germinal cells in the seminiferous epithelium during the first 3 weeks after irradiation. The duration of each of the 12 stages of the cycle was also determined.Our observations of the progress of germinal cell depletion revealed that after a dose of X-irradiation sufficient to kill all B spermatogonia, all spermatocytes disappeared from the testis within about 17 days, and all spermatids within about 31 days.