这个词是什么意思？
A condition of suboptimal concentration of SPERMATOZOA in the ejaculated SEMEN to ensure successful FERTILIZATION of an OVUM. In humans, oligospermia is defined as a sperm count below 20 million per milliliter semen.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D009845 · MeSH 2026。
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