excision of vas deferens vasectomy 63.73 http://id.loc.gov/authorities/subjects/sh85142370 http://purl.bioontology.org/ontology/MEDDRA/10047133 http://purl.bioontology.org/ontology/MESH/D014659 http://purl.bioontology.org/ontology/SNOMEDCT/22523008 http://purl.obolibrary.org/obo/NCIT_C15348 https://en.wikipedia.org/wiki/Vasectomy https://www.wikidata.org/wiki/Q690838 QP255 RD585.5 Surgical removal of part or all of the vas deferens. Surgical removal of the ductus deferens, or a portion of it. It is done in association with prostatectomy, or to induce infertility. contraceptive vasectomy vasectomies vasectomy NOS vasectomy and ligation of vas deferens vas deferential sterilization deferent duct The Complete Dictionary of Sexology