aspermia
1. severe asthenospermia/oligospermia and aspermia
严重少弱精症或无精症
2. The gene frequencies were as follows: DIA_3~10.6850, DIA_3~20.2875, DIA_3~20.0275. The isoenzyme activity in vaginal fluid, saliva, milk and in semen from aspermia were not detected.
其基因频率分别为DIA_3~1=0.6850,DIA_3~2=0.2875,DIA_5~3=0.0275。
3. psychogenic aspermia
精神性精液缺乏, 心因性射精不能
4. aspermia [absence of ejaculate]
缺精