obsolete_testis true James Malone WBbt:0005321 testiculus BTO:0001363 orchis http://purl.obolibrary.org/obo/UBERON_0000473 Use http://purl.obolibrary.org/obo/UBERON_0000473 label: testis MA:0002765 true 2.38 SAEL:93 testicle male gonad A typically paired male reproductive gland that produces sperm and that in most mammals is contained within the scrotum at sexual maturity.