Sperm travel through these 4 or 5 fine ducts which pass through the mesorchium from the testis to the sexual kidney.
Comment:
[provenance-note] "This class was sourced from an external ontology (amphibian_anatomy). Its definitions, naming conventions and relationships may need to be checked for compatibility with uberon" xsd:string {source="http://purl.obolibrary.org/obo/aao.owl"}