Introduction: The failure of closure of the dorsal wall of the sacral canal (SC) has been known since the eve of modern osteology. appearing in prehistoric times. Variants include partial or complete absence of the dorsal wall of the SC. SC presents a pathway for minimally invasive therapeutic and diagnostic procedures for spinal diseases and for ensuring analgesia and anesthesia in o... https://myjapanesehomers.shop/product-category/bathroom-accessories/