【医】 parietal fissure
apex; tip; equal; go against; gore; retort
【医】 apico-; cacumen; cupola; cupula; cupulae; cupule; fastigium; summit
vertex
【经】 top
crack; rend; split
【医】 cleavage; cleft; crena; crenae; diastem; diastema; fissura; fissure
gap; rictus; rima; rimae; schistasis; schisto-; schizo-