part of part of in taxon develops from develops from Theria <mammals> scrotum NCIT:C12785 MA:0000409 MESH:D012611 CALOHA:TS-2341 GAID:393 The external sac of skin that encloses the testes. It is an extension of the abdomen, and in placentals is located between the penis and anus. BTO:0003098 UBERON:0001300 FMA:18252 EMAPA:19296 SCTID:265794003 galen:Scrotum Wikipedia:Scrotum external male genitalia reproductive structure male genital swelling external soft tissue zone