| In the majority of the dogs in the field study, aspermia or azoospermia occurred. |
| In high-dose males, a decrease in testes weights, testicular atrophy and atrophy of the seminal vesicles and prostate, aspermia or oligospermia in the epididymides were observed. |
| Doctors have visited from Europe and a Syrian doctor is now working with a couple to try and grow sperm from the stem cells of a man with aspermia. |
| In the rose-ringed parakeets, the period of aspermia in April had begun already before the endoscopic procedure. |
| Direct irradiation to the testis will, in lower doses, affect the germinal epithelium: doses of irradiation greater than 0.35 Gy cause aspermia, which may be reversible. |
