canaliculus; tubule; ductule
Technical term in anatomy and biology for a small channel or duct in the body or in cells.
Bone canaliculi are tiny channels that connect osteocytes.
Renal tubules are a type of small duct.
lacrimal canaliculus; tear duct
transverse tubule; T-tubule
Compound of 小 (small) and 管 (tube, duct). The reading しょうかん is the on'yomi of both characters.