part of part of has part has part intersects midsagittal plane of adjacent to adjacent to anatomical wall scrotum connective tissue reproductive structure septum of scrotum SCTID:279591002 An incomplete wall of connective tissue and nonstriated muscle (dartos fascia) dividing the scrotum into two sacs, each containing a testis. FMA:20729 scrotal septum septum scroti EMAPA:29745 UBERON:0006655 dartos muscle sac of scrotum