WordNet sense 1 (having a latticelike structure pierced with holes or windows):

cancellate, clathrate

WordNet sense 2 (resembling or forming a network):

reticular, reticulate

WordNet sense 3 (having an open or latticed or porous structure):

cancellous

WordNet sense 4 (characterized by or divided into or containing cells or compartments (the smallest organizational or structural unit of an organism or organization)):

cellular