Canaliculus
In anatomy, a canaliculus is a small passageway.
Examples include:
- Canaliculus (bone), a small channel found in ossified bone
- Canaliculus (parietal cell), an adaptation found on gastric parietal cells
- The lacrimal canaliculi, several small ducts in the eye
- The dental canaliculi, the blood supply within a tooth
- Bile canaliculi, where the bile produced by the hepatocytes is drained
- Inferior tympanic canaliculus, the passage for the tympanic branch of the glossopharyngeal nerve and inferior tympanic artery
- Foramen petrosum (canaliculus innominatus), a small occasional opening in the greater wing of the sphenoid bone