【医】 fissure cavity
crack; rend; split
【医】 cleavage; cleft; crena; crenae; diastem; diastema; fissura; fissure
gap; rictus; rima; rimae; schistasis; schisto-; schizo-
cave; cavity; hole; hollow
【化】 hole; opening
【医】 bore; cava; cavern; caverna; cavitas; cavitat; cavity; cavum; syringo-