【医】 Ammon's fissure
【机】 ar-
cheat; cover; deceive; ignorant; make a wild guess; meet with; receive
family name; surname
crack; rend; split
【医】 cleavage; cleft; crena; crenae; diastem; diastema; fissura; fissure
gap; rictus; rima; rimae; schistasis; schisto-; schizo-