THE EFFECT OF X-RAYS ON MALE GERM CELLS OF MACACA MULATTA. I. THE SENSITIVITY OF SPERMATOGONIA
Journal Article
·
· Sci. Record (Peking) (N.S.)
OSTI ID:4837834
Nine male monkeys of ages from 6 to 14 years received different doses of x-radiation. The testes were prepared for series sections by the ordinary method, and observations were made on the radiosensitivity of the different stages of cells during spermatogenesis. As observed in the sections of testes of different ages, the first noticeable change is the reduction of the number of spermatogonia and the pycnosis of their nuclei. The radiosensitivity of spermatogonia is directly proportional to the dose given. As the dose gradually increases the number of spermatogonia gradually decreases, while the number of abnormal cells will increase. After the 200 r irradiation, the recovery of the spermatogonia is not noticed, even after fifty days of irradiation. The radiosensitivity of the male germ cells of the monkey, Macaca mulatta, is higher than that of mice, rats, and guinea pigs. (auth)
- Research Organization:
- Inst. of Biophysics, Academia Sinica, Peking
- NSA Number:
- NSA-15-029055
- OSTI ID:
- 4837834
- Journal Information:
- Sci. Record (Peking) (N.S.), Journal Name: Sci. Record (Peking) (N.S.) Vol. Vol: 4
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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