【医】 hiatus totalis sacralis
complete; entirely; full; whole
【医】 pan-; pant-; panto-
【医】 sacro-
crack; rend; split
【医】 cleavage; cleft; crena; crenae; diastem; diastema; fissura; fissure
gap; rictus; rima; rimae; schistasis; schisto-; schizo-