canaliculus
/ˌkænəˈlɪkjələs/
noun
- A small channel or duct in the body, especially in bones or tissues.
- The dentist explained how a tiny canaliculus drains tears from the eye.
- In bone, a canaliculus connects osteocytes to each other for nutrient exchange.
- Under the microscope, each canaliculus appeared as a thin, branching tube.