canaliculus

can·a·lic·u·lus

noun \-yə-ləs\

plural can·a·lic·u·li \-ˌlī, -ˌlē\

Definition of CANALICULUS

: a minute canal in a bodily structure: as a : one of the hairlike channels ramifying a haversian system in bone and linking the lacunae with one another and with the haversian canal b : one of the narrow spaces between cells in the anastomosing cords of cells that make up a liver lobule

Illustration of CANALICULUS