| umls-concept:C0028960 | skos:definition | MSH: 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.,NCI: A disorder characterized by a decrease in the number of spermatozoa in the semen.,NCI: Decreased number of spermatozoa in the semen. | lld:umls |
