can·a·lic·u·lus 
(kăn′ə-lĭkyə-ləs)
(kăn′ə-lĭkyə-ləs)n. pl. can·a·lic·u·li (-lī′)
A small canal or duct in the body, such as the minute channels in compact bone.
[Latin canāliculus, diminutive of canālis, conduit; see CANAL.]
can′a·licu·lar (-lər) adj.